Synonyms|813Antonyms|166|Broader|5Narrower|1Related|631

80 entries under idiom topic. ×

26
at once(expression, adverb, now, immediately)
15
without delay(expression, adverb, straight, now)
9
like a shot(adverb, fast, rapidly, pronto)
6
full tilt(expression, adverb, fast, rapidly)
6
in no time(expression, adverb, rapidly, soon)
6
like greased lightning(expression, adverb, fast, rapidly)
5
in a hurry(expression, adverb, fast, rapidly)
4
on the double(expression, adverb, quickly, rapidly)
3
in a flash(expression, adverb, fast, rapidly)
3
like a flash(expression, adverb, fast, rapidly)
3
on the run
2
at the double(expression, rapidly, speedily)
2
by and by(verb, expression, adverb, phrasal verb)
2
hell for leather
2
in an instant(expression, adverb)
2
in double time(expression, soon, swiftly, snappily)
2
in high gear(expression, adverb, soon, swiftly)
2
on the instant(expression, earliness)
2
on the spot(expression, earliness)
2
with all speed
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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>