Page 106 - New Grammar with a Smile 4

4 Prefixes

A prefix is a letter or a set of letters that are added before a word to change its
meaning.

Here is a list of prefixes with their meaning and examples.

co- de- dis- em-

with away from not cause to
co-worker, co-pilot defrost, derail disagree, disappear embrace, embed

en- ex- extra- fore-
put into out of beyond before

enclose, engulf exhale, export extraordinary, forecast, forehead
extraterrestrial

il- im- in- in-

not not not into
illegal, illiterate impossible, impolite incorrect, inactive inject, inside

ir- micro- mid- mis-
not small middle wrongly

irresponsible, microscope, midfielder, midway misbehave, misuse
irrelevant microfilm

non- post- pre- re-

without after before again
nonviolent, post-lunch, prefix, preschool reappear, refill
nonsense postpone

semi- sub- tri- un-
half under three not

semicircle, semi-final submerge, subtitle triangle, tricycle unable, unfriendly

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