applaud- to show approval of especially by clapping the hands; explosion- an act of exposing something as invalid or baseless; plausible- worthy of being applauded. judgment - a decision of a court of law; judicial - having to do with judges or courts of law; judiciary - a system of courts of law. unkill, unspend, unlose, unring. decagon - a polygon with 10 angles; diagonal - a slanting line running across a space; octagon - a geometrical figure with 8 angles. Interestingly enough, the word prefix itself contains the prefix "pre-," which means before, and the root word fix, which means to fasten or place; thus the word itself means "to place before." "Prefixes are an important component of many words in the English language. osteoarthritis - inflammation caused by degeneration of the joints; osteopathy - therapy that uses among others manipulation of the skeleton to restore health; osteology - the study of bones. posthumous - after someone's death; postpone - to delay something; postscript - an addition to an already completed document. forebear - ancestor; forebode - to give an advance warning of something bad; forecast - a preview of events to be. ruby - deep red color and a precious stone of the same color; rubella - measles; bilirubin - reddish pigment in bile. dyspepsia - abnormal digestion; peptic - aiding digestion; pepsin - a digestive enzyme. compel - to force someone to act; expel - to drive someone out of a place; repel - to force back. rhododendron - a flower with red/pink flowers; rhodium - an element which produces a red solution; rhodopsin - a purple pigment in the retina that is needed for vision. megalopolis - an area with many nearby cities; megaphone - a device that projects a loud voice; megastructure - huge building or other structure. arborist - someone working with trees; arbor - a shady area formed by trees; arborous - having many trees. extraterrestrial - existing outside the earth; terrain - ground or land; territory - an area of land. Examples of these follow: English words may consist of multiple prefixes: anti-pseudo-classicism (containing both an anti- prefix and a pseudo- prefix). The prefix im- is a negative prefix, which means it is used to change the meaning of a word into a negative. The addition of affixes and prefixes can modify, alter, and change the meaning of a word. desolate - lonely, dismal, gloomy; solitary - done alone, by yourself; solo - a performance done by one person alone. (Click here to go straight to the prefix list and save the explanations for later and herefor links to more prefix examples and practice.) innate - included since birth; natal - relating to birth; natural - gotten at birth, not afterward. enumerate - to name a number of items on a list; numerology - the study of magical uses of numbers; numerous - a large number. pyrotechnics - the art of making fireworks; pyrometer - a thermometer for measuring high temperature; pyretic - relating to or producing fever. isobar - a line on a map connecting points of equal barometric pressure; isometric - having equality of measure; isothermal - having equal or constant temperature. heliotropism - movement or growth in relating to the sun; heliograph - apparatus used to send message with the help of sunlight; helianthus - genus of plants including sunflowers. When we re voke something, like a license, we take it back, essentially taking away your voice. pedal - a lever pushed by the foot; pedestrian - one who walks; pedicure - cosmetic treatment of feet and toes. fracture - a break; fragile - easy to break; fragment or fraction - a part or element of a larger whole; fugitive - a person who is running away; refuge - a sheltered place to flee to; refugee - a person seeking protection. epidemic - the rapid spread of something negative; epilogue - a short speech delivered after a play; epicenter - the center of an earthquake. innovate - to introduce a new way; novelty - something new; novice - a person who is new at a job; renovate - to make something like new again. radioactive - emitting radiation; radiologist - someone diagnosing or treating via radiation. Mesoamerica - Middle America; meson - elementary particle with a mass between an electron and a proton. periodontal - pertaining to bone and tissue around a tooth; peripheral - lying outside of the center; perimeter - the outer boundary of an area. ; A con voc ation is a gathering where people come together to discuss something important. judgment - a decision of a court of law; judicial - having to do with judges or courts of law; judiciary - a system of courts of law. convince - to win someone over; invincible - not able to be conquered; victory - the conquest of an enemy. ultrahigh - extremely high; ultramodern - more modern than anything else; ultrasonic - sound waves beyond human hearing. narrate - to tell a story; narrative - a story; narrator - a person who tells a story. myocardium - the middle muscle of the heart; myasthenia - muscle fatigue or weakness; myosin - common protein in muscle tissue. Meaning: To not be able to do something. In addition there is a list of Words that end with do, words that contain do, and Synonyms of do. (See sub- and hypo-, along with 'under-'.) A list of prefixes, starting with the letters A to J, defined in Suffix Prefix Dictionary. purge - remove anything undesirable; purgatory - according to Roman Catholics a place where souls must clean themselves of sin; expurgate - remove objectionable passages from a publication. hepatitis - inflammation of the liver; hepatoma - a tumor of the liver; hepatotoxic - toxic and damaging to the liver. command - an order or instruction; demand - a hard-to-ignore order; mandate - an official order. collaborate - to work with a person; elaborate - to work out the details; laborious - requiring a lot of hard work. It can be applied to many different types of words, most notably nouns and adjectives. A prefix is a letter or a group of letters attached to the beginning of a word (or word root) that partly indicates its meaning. digression - a departure from the main issue, subject, etc. notable - marked as worthy of attention; notarize - to certify a signature on a legal document; annotate - to add remarks. endotherm - a creature that can keep its inside temperature fairly constant; endocrine - relating to glands that secrete directly into the blood or lymph; endogamy - the custom to marry within one's clan, tribe etc. Creating New Words. nephritis - inflammation of the kidneys; nephrotomy - surgical incision of a kidney; nephron - a single, excretory unit in the kidney. Prefixes are morphemes (specific groups of letters with particular semantic meaning) that … 10 Common Un- Prefixes unable. preamble - a part in front of a formal document; prepare - to get ready in advance; prediction - a statement foretelling the future. There are often several prefixes with the same meaning. durable - having the quality of lasting; duration - the length of time something lasts; enduring - able to last. binoculars - lens device for seeing distances; monocula - relating to one eye; oculist - an eye doctor. These selectional restrictions on what base a prefix can be attached to can be used to distinguish between otherwise identical-sounding prefixes. parasite - an organism that lives on and off another living being; parallel - alongside and always an equal distance apart; paragraph - a portion of a writtenn document that presents a distinct idea. liposuction - the mechanical removal of fat reserves in the tissue; lipase - enzyme that breaks down fat; lipoid - resembling fat. prototype - the first of a kind; proton - on of the very basic parts of an atom; protocol - a first draft from which a document is prepared. unicycle - a vehicle with one wheel; unilateral - decided by only one person or nation; unique - the only one of its kind; unison - as one voice. Words of this nature are borrowed from either Greek or Latin or have been newly coined based upon Greek and Latin word-formation processes. pneumonia - inflammation of the lungs; pneumatic - using the force of air; dyspnea - difficulty breathing. technology - the practical application of knowledge; technocracy - rule of technology; technologically - characterized by technology. compulsion - a very strong urge; expulsion - to someone out; impulsive - having a spontaneous urge to do something. hemorrhage - clotting of the blood; hemorrhoids - swelling of the blood vessels; hemoglobin - red blood particle. This contrasts with English suffixes, which may be either derivational or inflectional. transcontinental - across the continent; transfer - to move from one place to another; transport - to carry something across a space. activity - something that a person does; react - to do something in response; interaction - communication between two or more things, aerate - to let air reach something; aerial - relating to the air; aerospace - the air space, agriculture - management of the land, agribusiness - making money by utilizing land; agrarian - relating to the management of land, neuralgia - pain caused by a nerve; analgesic - a drug that makes one pain free; nostalgia - aching for the familiar, ambidextrous - able to use both hands equally; ambiguous - having more than one meaning; ambivalence - conflicting or opposite feelings toward a person or thing, amble - to walk in a slow, relaxed way; ambulant - walking or moving around; ambulance - a vehicle that moves a patient, amiable - friendly, pleasant, lovable; amity - friendly and peaceful relations; amorous - showing romantic love, analysis - a close examination of something; anatomy - the structure of something as visible when cut up for analysis; anachronism - not being in the right place in time, androgynous - being both male and female; android - resembling a human; misandry - hatred towards men, animal - a living organism; animate - to make alive; equanimity - of balanced spirit, anniversary - a date observed once a year; annual - happening once a year; millennium - 1,000 years, antecede - to come before something in time; antemeridian - before noon; anteroom- a small room before the main room. Sometimes there's also an Anglo-Saxon prefix. homogeneous - of the same nature or kind; homonym - sounding alike; homeopath - a therapy that is based on treating "same with same". Subsequently, the -able suffix is added after the newly created unlock adjective base deriving the adjective unlockable. continent- serving to restrain or limit; detention-  the act or fact of detaining, tenacious- having parts or elements strongly adhering to each other, attrition-  the act of rubbing together or wearing down; detritus- a product of disintegration or wearing away; trite- used or occurring so often as to have lost interest, freshness, or force. inscribe - to write letters or words on a surface; scribe - a person who writes out documents; describe - to represent with words or pictures. egoistic - self-centered; alter ego - a higher aspect of oneself; egomania - excessive preoccupation with oneself. Feedback? zygote - a cell formed by the union of two gametes and the organism developing from that; zygomorphic - pertaining to organisms that can be divided into symmetrical halves along one axis only. Un is a prefix meaning not.It's used to give opposite and negative meanings to adjectives, adverbs and nouns. sextet or sextette - a composition or group of six, sextuple - sixfold; sexagenarian - person in his/her sixties. metropolis - a large city; police - people who work for the government to maintain order in a city; politics - actions of a government or political party. apatite - a group of common minerals; granite - a hard, granular rock; monolith - a remarkable, unique stone. philosopher - a wise person; sophisticated - wise about the ways of the world; sophism - a clever but misleading argument. commemorate - to honor the memory of, as by a ceremony; memorial - related to remembering a person or event; memory: an ability to retain knowledge or an individual's stock of retained knowledge. maternal - relating to motherhood; maternity - the state of being a mother; matriarch - a woman head of a household. reside- be stationed; sediment- the matter that settles to the bottom of a liquid; session- an actual or constructive sitting of a body. In summary, Prefixes and suffixes are added to words to change them. circumspect - cautious, looking all around; retrospective - a looking back at past things; spectator - a person who sees an event. immortal - living forever, unable to die; mortal - certain to die; mortician - an undertaker. juven: young: Latin Prefix definition, an affix placed before a word, base, or another prefix to modify a term's meaning, as by making the term negative, as un- in unkind, by signaling repetition, as re- in reinvent, or by indicating support, as pro- in proabolition. hectoliter - 100 liters; hectare - metric unit equaling 100 ares or 10,000 square meters; hectometer - 100 meters. Bauer, Laurie; Lieber, Rochelle; Plag, Ingo (2013). A prefix is affix that's added in front of a word and often changes the meaning of it. envision - to picture in the mind; enclose - lock inside; inwards - towards the inside. English prefixes are affixes (i.e., bound morphemes that provide lexical meaning) that are added before either simple roots or complex bases (or operands) consisting of (a) a root and other affixes, (b) multiple roots, or (c) multiple roots and other affixes. hydrate - to add water to; hydrophobia - intense fear of water; hydroponics - growing plants in liquid nutrient solution; hydraulic - operated by force created by a liquid. A prefix, which comes before a root word, or suffix, which comes after, may be used to change the tenses of a word. from English … popular - appealing to a lot of people; population - all of the people who live in a particular area; populist - a supporter of the rights of people. Graphology - the study of handwritings; autograph - written with one's own hand; seismograph - a machine noting strength and duration of earthquakes. Define prefix: the definition of prefix is an element placed at the beginning of a word to alter or qualify its meaning. For example, the prefix re- meaning "again, back" is only added to verb bases as in rebuild, reclaim, reuse, resell, re-evaluate, resettle. paleontology - study of ancient fossils; paleography - the study of ancient forms of writing; Paleolithic - period of the Stone Age. For example, the word “unhappy” consists of the prefix “un-” [which means “not”] combined with the root (or stem) word “happy”; the word “unhappy” means “not happy.” A short list of prefixes: genealogy - the study of the history of a family; generation - all the people born at approximately the same time; genetic -relating to heredity encoded in the genes. 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A manual or automatic car discipline yourself ; self-respect - respect for yourself ; selfish concerned only with your interests!