Synonyms|155Antonyms|100|Broader|0Narrower|0Related|1.3k

66 entries under adjective topic. ×

9
groundless(reason, unwarranted, untrue, justification)
8
baseless
8
unsubstantiated(unwarranted, untrue, flimsy, questionable)
7
unfounded(unwarranted, untrue, flimsy, unsubstantiated)
6
shaky(doubtful, questionable)
6
unassisted
6
unwarranted
5
idle(false, unwarranted, justification, unsubstantiated)
5
unaided
5
unconfirmed(unwarranted, untrue, flimsy, unsubstantiated)
5
uncorroborated
5
unproven(unsubstantiated, groundless, unconfirmed, uncorroborated)
5
unsound
4
doubtful(questionable, unsubstantiated, unconfirmed, uncorroborated)
4
unjustified
3
dubious(questionable, unsubstantiated, unconfirmed, uncorroborated)
3
flimsy(false, unwarranted, untrue, justification)
3
invalid
3
speculative
3
unattested
For more, visit Unsupported on Power Thesaurus
11 years ago|11k views|share |citing 
APASmart Define. (2015). unsupported thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unsupported/thesaurus/synonyms
ChicagoSmart Define. 2015. "unsupported thesaurus" https://smartdefine.org/unsupported/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, unsupported thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unsupported/thesaurus/synonyms>.
MLASmart Define. "unsupported thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/unsupported/thesaurus/synonyms>