6 VOCABULARY Opposites Use dis-, im-, il-, in-, ir-, un- to make opposites.

* realistic - unrealistic * secure - insecure * logical - illogical * important - unimportant * successful - unsuccessful * friendly - unfriendly * correct - incorrect * formal - informal * polite - impolite * happy - unhappy * possible - impossible * organised - disorganised * honest - dishonest * interesting - uninteresting * typical - atypical