| Main Entry: | |
| 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: | unmentionable |
| Part of Speech: | adjective |
| Definition: | unspeakable |
| Synonyms: | atrocious, disgraceful, forbidden, impermissible, off-limits, offensive, out of bounds, scandalous, shameful, taboo |
| Antonyms: | mentionable, permissible |