1
long ago
1
long since
1
measurelessly
1
month after month(expression, idiom)
1
morning
1
never-endingly
1
noon
1
on a stretch(expression, idiom)
1
on end
1
perdurably
1
protractedly
1
recurrently(adverb, continuously)
1
relentlessly(adverb, relentless, continuously, always, forever)
1
repeatedly(adverb, relentless, endlessly, forever, constantly)
1
round the clock(expression, idiom)
1
sequentially(adverb, continuously)
1
since time began(expression, idiom)
1
straightly(adverb, continuously)
1
sustainedly(adverb, persistently)
1
till doomsday
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APASmart Define. (2015). interminably thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/interminably/thesaurus/synonyms
ChicagoSmart Define. 2015. "interminably thesaurus" https://smartdefine.org/interminably/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, interminably thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/interminably/thesaurus/synonyms>.
MLASmart Define. "interminably thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/interminably/thesaurus/synonyms>