| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | without substantiation |
| Synonyms: | bottomless, flimsy, foundationless, gratuitous, groundless, reasonless, unconfirmed, uncorroborated, unfounded, ungrounded, unjustifiable, unjustified, unsubstantiated, unsupported, untenable, unwarranted |
| Antonyms: | based |
| Main Entry: | unofficial |
| Part of Speech: | adjective |
| Definition: | unauthorized |
| Synonyms: | informal, off the record, personal, private, unconfirmed, uncorroborated, unsanctioned |
| Antonyms: | authoritative, authorized, confirmed, official |