41 entries under instantly topic. ×

9
soon(adverb, directly, immediately, quickly)
8
immediately(adjective, adverb, fast, directly, quickly)
8
posthaste(adjective, adverb, fast, quick, early)
7
fleetly(adverb, quick, early, quickly, hastily)
7
quick(early, quickly, speedily)
6
at once(expression, adverb, directly, immediately, quickly)
5
in a flash(expression, idiom, adverb, directly, immediately)
5
right away(expression, adverb, directly, immediately)
5
without delay(expression, adverb, directly, immediately, quickly)
4
in a jiffy(expression, idiom, adverb, directly, immediately)
3
instanter(directly, immediately, shortly, forthwith)
3
on the double(expression, idiom, adverb, directly, immediately)
2
in nothing flat(expression, directly, immediately, quickly)
2
straight away(expression, adverb, directly, immediately, quickly)
2
urgently(adverb, directly, immediately, quickly, hastily)
1
PDQ(directly, immediately, shortly, forthwith)
1
anon(directly, immediately, shortly, forthwith)
1
at short notice(expression, idiom, directly, immediately)
1
away(directly, immediately)
1
double-time(directly, immediately, shortly, forthwith)
<123>
11 years ago|10k views|share |citing 
APASmart Define. (2015). rapidly thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/rapidly/thesaurus/synonyms
ChicagoSmart Define. 2015. "rapidly thesaurus" https://smartdefine.org/rapidly/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, rapidly thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/rapidly/thesaurus/synonyms>.
MLASmart Define. "rapidly thesaurus" 5 October 2015. Web. 22 September 2026. <https://smartdefine.org/rapidly/thesaurus/synonyms>