Prefixes

Prefixs are added to the beginning of a word to make a new word, eg mis+take. Some common prefixes are ‘mis’, ‘dis’, ‘re’, ‘for’, ‘anti’, ‘ante’, ‘sub’, ‘un’ and ‘in’. New words are made by placing a prefix in front of a word. It is helpful to know the meanings of prefixes. Prefix ‘re’ means again, therefore reappear means to appear again.

Common prefix meanings

pre – before

mis – bad(ly)

sub – under

inter – between

semi – half

The following prefixes of ‘im’, ‘ir’, ‘il’, ‘in’ and ‘un’ can be added to the beginning of words to make them into a negative.

Examples

im + possible = impossible

ir + responsible = irresponsible

il + legal = illegal

in + active = inactive

un + happy = unhappy

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