Synonyms|518Antonyms|58|Broader|1Narrower|0Related|436

48 entries under idiom topic. ×

15
at once(expression, adverb, directly, immediately)
14
without delay(expression, adverb, freely, immediately)
6
in no time(expression, adverb, freely, immediately)
4
like greased lightning(expression, adverb, quickly, rapidly)
4
on the double(expression, adverb, directly, immediately)
2
hand over fist(expression, adverb)
2
hell for leather
2
in short order(expression, adverb, early, quickly)
2
like a flash(expression, adverb, quickly, rapidly)
2
on the instant(expression, earliness)
2
on the run
2
on the spot(expression, earliness)
2
with all speed
1
against the clock
1
almost immediately(expression, earliness)
1
at flank speed
1
at the drop of a hat(expression, freely, immediately, easily)
1
by forced marches
1
hand over hand
1
hell-bent for election
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APASmart Define. (2015). speedily thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/speedily/thesaurus/synonyms
ChicagoSmart Define. 2015. "speedily thesaurus" https://smartdefine.org/speedily/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, speedily thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/speedily/thesaurus/synonyms>.
MLASmart Define. "speedily thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/speedily/thesaurus/synonyms>