| Main Entry: | impermissible |
| Part of Speech: | adjective |
| Definition: | forbidden |
Synonyms: |
banned, closed, closed-down, closed-up, contraband, no-no, off limits, out of bounds, proscribed, refused, taboo*, verboten, vetoed |
| Main Entry: | inexcusable |
| Part of Speech: | adjective |
| Definition: | not forgivable |
Synonyms: |
blamable, blameworthy, censurable, criticizable, impermissible, indefensible, inexpiable, intolerable, outrageous, reprehensible, unallowable, unforgivable, unjustifiable, unpardonable, unpermissible, untenable, unwarrantable, wrong |
Antonyms: |
excusable, forgivable, justifiable |
| Main Entry: | unmentionable |
| Part of Speech: | adjective |
| Definition: | unspeakable |
Synonyms: |
atrocious, disgraceful, forbidden, impermissible, off-limits, offensive, out of bounds, scandalous, shameful, taboo |
Antonyms: |
mentionable, permissible |