Synonyms|77Antonyms|7|Broader|0Narrower|0Related|78

49 entries under adjective topic. ×

9
endless(continuous, unlimited, everlasting, uninterrupted)
8
eternal
8
everlasting
8
perpetual(lasting, continual, eternal)
7
dateless
7
infinite(end, limited, limitless, eternal)
7
timeless
6
constant
6
immortal(eternal, imperishable)
6
perennial
6
permanent
6
unending
5
ceaseless
5
incessant
5
never-ending
5
unceasing
4
continual
4
continuous
4
indestructible
4
interminable
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APASmart Define. (2015). sempiternal thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sempiternal/thesaurus/synonyms
ChicagoSmart Define. 2015. "sempiternal thesaurus" https://smartdefine.org/sempiternal/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, sempiternal thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sempiternal/thesaurus/synonyms>.
MLASmart Define. "sempiternal thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/sempiternal/thesaurus/synonyms>