109 entries under adjective topic. ×

35
immediately(adverb, interjection, now, rapidly)
22
pronto(adverb, informal, fast, immediately)
20
fast(verb, adverb, fast, rapidly)
17
lickety-split(adverb, informal, fast)
12
soon(adverb, immediately, rapidly, soon)
12
quick(adverb, fast, rapidly, soon)
7
briefly(adverb, earliness)
7
posthaste(adverb, fast, immediately, rapidly)
7
swift(rapidly, swiftly, snappily, speedily)
4
brisk
4
hasty
3
brief
3
early(adverb, soon, swiftly, snappily)
3
fleet
3
slapdash
3
speedy
2
rapid
2
erratic
2
expeditious
2
fleeting
10 years ago|23k views|share |citing 
APASmart Define. (2016). quickly thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/quickly/thesaurus/synonyms
ChicagoSmart Define. 2016. "quickly thesaurus" https://smartdefine.org/quickly/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, quickly thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/quickly/thesaurus/synonyms>.
MLASmart Define. "quickly thesaurus" 21 March 2016. Web. 22 September 2026. <https://smartdefine.org/quickly/thesaurus/synonyms>