Synonyms|115Antonyms|87|Broader|0Narrower|0Related|1.2k

5 entries under expression topic. ×

2
without basis(adjective, untrue, illogical, deceptive)
1
unsupported by evidence
1
without foundation(adjective, untrue, illogical, deceptive)
0
trumped up(adjective, untrue, illogical, deceptive)
0
uncalled for(untrue, deceptive)
For more, visit Unsubstantiated on Power Thesaurus
10 years ago|9.7k views|share |citing 
APASmart Define. (2016). unsubstantiated thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/unsubstantiated/thesaurus/synonyms
ChicagoSmart Define. 2016. "unsubstantiated thesaurus" https://smartdefine.org/unsubstantiated/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, unsubstantiated thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/unsubstantiated/thesaurus/synonyms>.
MLASmart Define. "unsubstantiated thesaurus" 3 February 2016. Web. 23 September 2026. <https://smartdefine.org/unsubstantiated/thesaurus/synonyms>