Synonyms|396Antonyms|161|Broader|3Narrower|0Related|1.4k

31 entries under adjective topic. ×

4
logical
3
justified
2
rational
2
reasonable
2
solid
2
valid
2
well-founded
2
sane
2
sensible
1
genuine
1
justifiable
1
due
1
tenable
0
advisable
0
coherent
0
correct
0
emphatic
0
fair
0
forcible
0
intellectual
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APASmart Define. (2015). unfounded thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unfounded/thesaurus/antonyms
ChicagoSmart Define. 2015. "unfounded thesaurus" https://smartdefine.org/unfounded/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, unfounded thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unfounded/thesaurus/antonyms>.
MLASmart Define. "unfounded thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/unfounded/thesaurus/antonyms>