Synonyms|229Antonyms|147|Broader|3Narrower|0Related|544
9
extinct(adjective, dead, obsolete)
6
dead
5
gone(verb, adjective)
3
bygone
3
defunct
3
departed
2
archaic
2
erstwhile
2
former
2
obsolete
2
past
1
antiquated
1
destroyed
1
die
1
done
1
expired
1
finished
1
inactive
1
inert
1
late
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APASmart Define. (2015). extant thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/extant/thesaurus/antonyms
ChicagoSmart Define. 2015. "extant thesaurus" https://smartdefine.org/extant/thesaurus/antonyms (accessed September 20, 2026).
HarvardSmart Define 2015, extant thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/extant/thesaurus/antonyms>.
MLASmart Define. "extant thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/extant/thesaurus/antonyms>