23 entries under adjective topic. ×

14
temporary
11
brief
8
intermittent(irregular, sporadic)
5
fleeting(limited, irregular, permanent, temporary)
4
evanescent
4
impermanent
4
erratic
4
occasional
3
transient
2
short-lived
2
transitory
2
provisional
1
momentary
1
atypical
1
mortal
1
sporadic
0
ephemeral(limited, irregular, passing, lasting)
0
desultory
0
finite
0
flighty
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APASmart Define. (2016). perpetual thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/perpetual/thesaurus/antonyms
ChicagoSmart Define. 2016. "perpetual thesaurus" https://smartdefine.org/perpetual/thesaurus/antonyms (accessed September 28, 2026).
HarvardSmart Define 2016, perpetual thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/perpetual/thesaurus/antonyms>.
MLASmart Define. "perpetual thesaurus" 30 March 2016. Web. 28 September 2026. <https://smartdefine.org/perpetual/thesaurus/antonyms>