Synonyms|86Antonyms|23|Broader|0Narrower|0Related|15

8 entries under expression topic. ×

2
not proved
1
hard to believe(adjective, idiom, unsubstantiated, unconfirmed)
1
open to doubt(adjective, idiom, unsubstantiated, unconfirmed)
1
open to question(adjective, idiom, unsubstantiated, unconfirmed)
1
unsupported by evidence
1
without substantiation(adjective, unwarranted, untrue, flimsy)
0
not backed up(verb, phrasal verb)
0
off the record(idiom, personal, unauthorized)
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ChicagoSmart Define. 2015. "uncorroborated thesaurus" https://smartdefine.org/uncorroborated/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, uncorroborated thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/uncorroborated/thesaurus/synonyms>.
MLASmart Define. "uncorroborated thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/uncorroborated/thesaurus/synonyms>