1
abidingly
1
at all times
1
aye
1
constant
1
continual
1
deathlessly
1
endurably(adverb, durably)
1
for ever(expression, idiom, adverb)
1
for good
1
for keeps
1
frequently
1
hopelessly(adverb, inveterately)
1
immensely
1
incomprehensibly
1
inexhaustibly(adverb, infinitely)
1
invariably
1
lengthily(adverb, durably)
1
measurelessly
1
non-stop
1
perdurably
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APASmart Define. (2015). eternally thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/eternally/thesaurus/synonyms
ChicagoSmart Define. 2015. "eternally thesaurus" https://smartdefine.org/eternally/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, eternally thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/eternally/thesaurus/synonyms>.
MLASmart Define. "eternally thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/eternally/thesaurus/synonyms>