Synonyms|384Antonyms|70|Broader|9Narrower|5Related|387
7
brief
6
annual
6
biennial
5
short
3
casual
3
episodic
3
temporary
2
intermittent
2
acting
2
antiquated
2
contingent
2
shed
2
sporadic
1
two-year
0
one-year
0
accidental
0
adventitious
0
alone
0
archaic
0
biannual
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APASmart Define. (2015). perennial thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/perennial/thesaurus/antonyms
ChicagoSmart Define. 2015. "perennial thesaurus" https://smartdefine.org/perennial/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2015, perennial thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/perennial/thesaurus/antonyms>.
MLASmart Define. "perennial thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/perennial/thesaurus/antonyms>