140 entries under adverb topic. ×

4
post-haste
4
straight away
3
at speed(fast, quickly, rapidly, pronto)
3
early(adjective, time, timely, opportunely)
3
flat-out(quick, immediately, quickly, rapidly)
3
full tilt(expression, quick, quickly, rapidly)
3
impatiently(earnestly, hastily, promptly, enthusiastically)
3
in a hurry(fast, quickly, rapidly, pronto)
3
in a rush(fast, quickly, rapidly, pronto)
3
in good time(time, early, timely, opportunely)
3
like lighting(fast, quickly, rapidly, pronto)
3
p.d.q.
3
precipitately
3
presto(quickly, rapidly)
3
punctually
3
rashly(intensely, fiercely, hastily, wildly)
3
right off
3
shortly
3
unhesitatingly
3
without hesitation(expression, straight, freely, directly)
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APASmart Define. (2015). speedily thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/speedily/thesaurus/synonyms
ChicagoSmart Define. 2015. "speedily thesaurus" https://smartdefine.org/speedily/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, speedily thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/speedily/thesaurus/synonyms>.
MLASmart Define. "speedily thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/speedily/thesaurus/synonyms>