English 50 Examples of Prefixes, Definition and Examples
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Prefixes are used to change the meaning of a word. A syllable word or group of syllables added to the beginning of a word. Prefixes help to add meaning to words and make it possible to create new words that are easily understood everywhere. Understanding a few prefix examples will help you understand the logic of new words and use them appropriately.
For example, consider the prefix de-. This prefix means getting something back. It is usually added to a verb. You can then activate the verb. Likewise, you can parse, add to other verbs.
| Prefix | Meaning | Example |
| Anti- | Against | Antifreeze, antithesis |
| De- | Opposite | Decode, decompose |
| Dis- | Not, opposite of | Disconnect, disembark |
| Em- | Cause to | Embrace, emphasis |
| En- | Cause to | Encode, encounter |
| Fore- | Before | Forecast, foresight |
| In- | İn | Infield, infiltrate |
| Im- | İn | Imbalance |
| In-, im-, il-, ir- | Not | Injustice, impossible, irregular |
| Inter- | Between | International, interact |
| Mid- | Middle | Midday, midway |
| Mis- | Wrongly | Misfire, misunderstand |
| Non- | Not | Nonsense, nonexist |
| Over- | Over | Overlook, overdue |
| Pre- | Before | Prefix, preschool |
| Re- | Again | Regain, return, rebuild |
| Semi- | Half | Semifinal, semicircle |
| Sub- | Under | Subeditor, subterranean |
| Super- | Above, | Superman, superstar |
| Trans- | Across | Transatlantic, transport |
| Un- | Not | Unfriendly, unsatisfied |
| Under- | Under | Understand, undersea |
Here are Common Number Prefixes, Meanings and Examples
| Greek | Latin | Meaning | Examples |
| Mono- | uni– | 1 | monotheism, universe, uniform, unicorn, monotone |
| Di– | bi– du– | 2 | binary, bimonthly, binoculars, duo, düet |
| Tri– | –tri | 3 | tricycle, triad, triathlon, triangle, tripod, triumvirate, triple |
| Tetra– | quadri– quart– | 4 | quadriplegic, quadrangle, quadruple, quarter |
| Penta– | quin– | 5 | pentagon, quintet, quintuplet |
| Hexa– | sext– | 6 | hexagon, hexameter, sextuplet, sextet |
| Hepta– | septem– septi– | 7 | heptagon, heptameter, heptagon, septuagenarian |
| Octo– | octa– oct– | 8 | octagon, octogenarian, octopus, octahedron |
| Ennea– | novem– | 9 | novena |
| Deca– | deci– decem– | 10 | decade, decagon, decahedron, decimal |
| Hemi– | semi- | Half | hemisphere, semicircle, semicolon, semifinal, semiannual |
| Poly– | multi– | Many | polygon, polygamy, polyester, polymer, polynomial |
| Hecto– | cent– cente– | 100 | cent, centennial, centurion, centenary, cent |
| Kilo- | milli- mille- | 1000 | kilogram, kilometer, kilobyte, milligram |
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