34
forever(adverb, everlasting, endlessly, continuously, always)
17
endlessly(adverb, continuously, always, forever, constantly)
13
incessantly(adverb, continuously, forever, constantly, repeatedly)
11
perpetually(adverb, continuously, infinitely, durably)
11
continually(adverb, continuously, perpetually)
10
constantly(adverb, continuously, perpetually)
10
continuously(adverb, relentless, endlessly, continuously, always)
10
eternally(adverb, perpetually, infinitely, durably)
10
everlastingly(adverb, continuously, perpetually, infinitely, durably)
9
ceaselessly(adverb, continuously, perpetually, infinitely)
9
unceasingly(adverb, continuously, perpetually, persistently)
8
infinitely(adverb, perpetually, infinitely)
8
unendingly(adverb, continuously)
7
persistently(adverb, continuously, persistently)
7
uninterruptedly(adverb, continuously, perpetually)
6
boundlessly(adverb, infinitely)
6
illimitably(adverb, infinitely)
6
immeasurably(adverb, infinitely)
5
incalculably(adverb, infinitely)
5
innumerably(adverb, infinitely)
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APASmart Define. (2015). interminably thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/interminably/thesaurus/synonyms
ChicagoSmart Define. 2015. "interminably thesaurus" https://smartdefine.org/interminably/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, interminably thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/interminably/thesaurus/synonyms>.
MLASmart Define. "interminably thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/interminably/thesaurus/synonyms>