5
forever
2
long
1
extensively
1
at length(expression, idiom, adverb)
1
expansively
1
interminably
1
lazily
1
lengthily
1
long-windedly(adverb, verbosely)
1
abidingly
1
agelessly
1
blearily
1
broadly
1
ceaselessly
1
civilly
1
completely
1
comprehensively
1
constantly
1
continuously
1
dazedly
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APASmart Define. (2016). briefly thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/briefly/thesaurus/antonyms
ChicagoSmart Define. 2016. "briefly thesaurus" https://smartdefine.org/briefly/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2016, briefly thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/briefly/thesaurus/antonyms>.
MLASmart Define. "briefly thesaurus" 26 February 2016. Web. 22 September 2026. <https://smartdefine.org/briefly/thesaurus/antonyms>