94 entries under expression topic. ×

26
at once(idiom, adverb, now, immediately)
15
without delay(idiom, adverb, straight, now)
11
right away(verb, adverb, phrasal verb, interjection)
6
full tilt(idiom, adverb, fast, rapidly)
6
in no time(idiom, adverb, rapidly, soon)
6
like greased lightning(idiom, adverb, fast, rapidly)
5
in a hurry(idiom, adverb, fast, rapidly)
4
on the double(idiom, adverb, quickly, rapidly)
3
chop chop(soon, swiftly, snappily, posthaste)
3
in a flash(idiom, adverb, fast, rapidly)
3
like a flash(idiom, adverb, fast, rapidly)
3
on the run
2
at the double(idiom, rapidly, speedily)
2
by and by(verb, idiom, adverb, phrasal verb)
2
hell for leather
2
in an instant(idiom, adverb)
2
in double time(idiom, soon, swiftly, snappily)
2
in high gear(idiom, adverb, soon, swiftly)
2
like lightning(adverb, rapidly, speedily)
2
like mad(adverb, intensely, fiercely, wildly)
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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>