1
far ahead(expression, adjective, prompt, quick, timely)
1
fast(adverb, quickly)
1
fickle
1
flashing
1
fleet
1
flickering
1
flitting
1
flittingly
1
fly-by-night
1
for the time being
1
forthwith
1
frenetic(adverb, quickly)
1
fugacious
1
fugitive
1
hasty(adverb, quickly)
1
hurried(adverb, quickly)
1
immediately(adjective, adverb, prompt, quick, timely)
1
impermanent
1
in a capsule(expression, idiom)
1
in a while(expression, idiom, earliness)
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APASmart Define. (2016). briefly thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/briefly/thesaurus/synonyms
ChicagoSmart Define. 2016. "briefly thesaurus" https://smartdefine.org/briefly/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, briefly thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/briefly/thesaurus/synonyms>.
MLASmart Define. "briefly thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/briefly/thesaurus/synonyms>