polite | impolite |
regular | irregular |
literate | illiterate |
reversible | irreversible |
moral | immoral |
tolerable | intolerable |
responsible | irresponsible |
active | inactive |
1. | semi-: 'partly' |
2. | multi-: 'many (or several)' |
3. | anti-: 'opposed to; opposite of; or preventing' |