Prefixes Prefixes A prefix is a part of

Prefixes

Prefixes £A prefix is a part of a word that goes in front of the word and it changes its meaning

re- means again £ Redo £ Reread £ Repaint £ Review £ Rewrite £ Replace £ Readjust £ Replay do again read again paint again view again write again place again adjust again play again

over- means too much £Overtake £Overdo £Overheat £Overtime £Overcharge £Oversee £Overproduce take too much do too much heat too much time charge too much see too much produce too much

Trans- across £Transatlantic £Transportation £Transplant £Transport £Transfer £Transform £Transmission across the Atlantic across places take a plant across move across places across forms across mission

anti- means against £Antibiotics £Antiwar £Anticancer £Anticavities £Anticorruption against life against war against cancer against cavities against corruption

mid- means middle £Midair £Midbrain £Midafeternoon £Midnight £Midmorning £Middleman £Midway in the middle of the air in the middle of the brain in the middle of the afternoon in the middle of night in the middle of the morning a man in the middle of the way

under- means below £Underachiever £Underwear £Undercover £Underground £Understand £Underwater below achieving below wear below cover below ground below standing below water

Vice- means second in line £Vicepresident £Viceprincipal second after president second after principal

em- and en mean cause to £Empty caused to become not filled £Embalm caused to have balm £Embed caused to be covered £Embark caused to be shipped £Entrap caused to be trapped £Enrich caused to be rich £Endure cause to last

post-, means after £Postwar £Postfracture £Postdive £Postexercise after the war after fracture after dive after exercise

pre-, means before £Preschool £Precook £Prewrite £Preseason before school before cooking before writing before season

uni-, means one £Unicycle £Uniform £Unibrow one wheel one form one brow

bi-, means two £Bicycle £Bipolar £Billion two wheels two poles or sides two millions

tri-, means three £Tricycle £Triangle £Trillion £Triceratops £Trimester three wheels three angles three millions three horns three months

kilo-, means thousand £Kilometer £Kilobyte £Kilowatt thousand meter thousand bytes thousand watts

cent-, means hundred £Centimeter £Centipede £century £Cent a hundred meters a hundred legs a hundred years a hundred in a dollar

deca-, means ten £Decagon shape of ten sides £Decameter ten meters £Decade ten years

poli-, means many £Polygon £Polytheist £Polytechnic £Polyphony shape with many sides many gods (theos = god) many techniques many sounds (phone=sound)

penta-, means five £Pentagon £Pentatonic £Pentathlon shape of five sides melody with five tones 5 sports athlete

hexa-, means six £Hexagon shape with six sides

octa-, means eight £Octagon £Octopus shape with 8 sides animal with 8 arms

dis-, un-, mean not £Discover £Distract £Display £Disarm £Uncovered £Unmatched £Unfit not covered not in tract not for play not armed not covered not matched not fitted

im- means not it’s used when words start with m- or p- £Impossible £Impersonate £Immobile £Impose £Impersonal not possible not the person not mobile not to pose not personal

ir- means not it’s used when words start with r- £irresponsible £irregular £Irreverent £Irredeemable £Irreparable not responsible not regular not reverent not redeemable not reparable

il- means not it’s used when words start with l- £illegal £illogical £illiterate not legal not logical not literate (can’t read)

in- means not it’s used when words don’t start with m- or p- £ indestructible £Invincible £Indistinct not destructible not vincible not different

In- means into £Input in £Intake in £Inlet it

mis- means wrong £Mislay £Misplace £Misprint £Mismatched £Misfit £Misplay £Mistake wrongly layed wongly placed worngly printed wrongly matched wrongly fitted wrongly played wrongly taken

ambi- means both £Ambidextrous £Ambivalent writes with both hands has both values

sub- means under £Subway £Submarine £Substitute £Sub conscious £Substructure under the way under the sea under power under conscience understructure