15 entries under instantly topic. ×

8
immediately(adverb, directly, quickly, rapidly)
5
soon(adverb, directly, immediately, quickly, rapidly)
4
pronto(adverb, early, directly, immediately, quickly)
4
without delay(expression, adverb, directly, immediately, quickly)
3
posthaste(quick, early, immediately, quickly, rapidly)
3
quick(early, quickly, rapidly, soon, swiftly)
1
by and by(expression, idiom, early, rapidly, soon)
1
coming down the pike(expression, idiom, early, rapidly, soon)
1
double-time(directly, immediately, soon, swiftly)
1
early(rapidly, soon, swiftly, snappily)
1
ere long(expression, early, rapidly, soon, swiftly)
1
in a flash(expression, adverb, directly, immediately, quickly)
1
in a second(expression, idiom, early, rapidly, soon)
1
in due time(expression, idiom, early, rapidly, soon)
1
on the dot(expression, directly, immediately, quickly, soon)
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APASmart Define. (2015). expeditiously thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/expeditiously/thesaurus/synonyms
ChicagoSmart Define. 2015. "expeditiously thesaurus" https://smartdefine.org/expeditiously/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, expeditiously thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/expeditiously/thesaurus/synonyms>.
MLASmart Define. "expeditiously thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/expeditiously/thesaurus/synonyms>