Synonyms|114Antonyms|2|Broader|0Narrower|0Related|13
7
forever(adjective, adverb, vast, relentless, endlessly)
5
endlessly(noun, adjective, adverb, vast, relentless)
5
perpetually(adjective, adverb, infinity)
4
ceaselessly(adjective, adverb, vast, permanent, endlessly)
4
continuously(adjective, adverb, relentless, endlessly, infinity)
3
at length(expression, adjective, adverb, endlessly, continuously)
3
interminably(adjective, adverb, infinity)
2
again and again(noun, expression, idiom, repeatedly)
2
boundlessly
2
constantly
2
continually
2
eternally
2
everlastingly
2
in perpetuity(adjective, adverb, infinity)
2
incessantly
2
infinitely
2
on and on(expression, adjective, idiom, adverb, infinity)
2
unendingly
2
without cease
2
without end(adjective, adverb, infinity)
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APASmart Define. (2016). ad infinitum thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/ad_infinitum/thesaurus/synonyms
ChicagoSmart Define. 2016. "ad infinitum thesaurus" https://smartdefine.org/ad_infinitum/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, ad infinitum thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/ad_infinitum/thesaurus/synonyms>.
MLASmart Define. "ad infinitum thesaurus" 11 February 2016. Web. 21 September 2026. <https://smartdefine.org/ad_infinitum/thesaurus/synonyms>