Synonyms|353Antonyms|95|Broader|6Narrower|0Related|752
19
lasting(adjective, permanent)
11
permanent
10
long-lived
10
endless
5
everlasting
4
long
3
perpetual(adjective, lasting, continual)
2
ceaseless
2
dateless
2
enduring
2
imperishable
2
lengthy
2
lifelong
2
undying
2
unending
1
deathless
1
eternal
1
extended
1
interminable
1
long-lasting
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APASmart Define. (2016). momentary thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/momentary/thesaurus/antonyms
ChicagoSmart Define. 2016. "momentary thesaurus" https://smartdefine.org/momentary/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2016, momentary thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/momentary/thesaurus/antonyms>.
MLASmart Define. "momentary thesaurus" 26 February 2016. Web. 27 September 2026. <https://smartdefine.org/momentary/thesaurus/antonyms>