Synonyms|623Antonyms|113|Broader|2Narrower|0Related|2.1k

5 entries under important topic. ×

3
inferior(adjective, importance, less)
1
secondary(adjective, useful, subordinate)
1
substract
0
second-fiddle
0
second-string
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APASmart Define. (2016). first-class thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/first-class/thesaurus/antonyms
ChicagoSmart Define. 2016. "first-class thesaurus" https://smartdefine.org/first-class/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, first-class thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/first-class/thesaurus/antonyms>.
MLASmart Define. "first-class thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/first-class/thesaurus/antonyms>