Synonyms|718Antonyms|124|Broader|10Narrower|0Related|388
1
alternate
1
alternating
1
ambulatory
1
annual
1
anoint
1
antiquated
1
archaic
1
atypical
1
biennial
1
bless
1
deciduous
1
fitful
1
fugacious
1
fugitive
1
irregular
1
metamorphosis
1
mortal
1
periodical
1
recurrent
1
recurring
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APASmart Define. (2016). perpetual thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/perpetual/thesaurus/antonyms
ChicagoSmart Define. 2016. "perpetual thesaurus" https://smartdefine.org/perpetual/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2016, perpetual thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/perpetual/thesaurus/antonyms>.
MLASmart Define. "perpetual thesaurus" 30 March 2016. Web. 27 September 2026. <https://smartdefine.org/perpetual/thesaurus/antonyms>