27 entries under adverb topic. ×

8
instantaneously(directly, immediately, quickly, rapidly)
8
instantly(now, directly, immediately, quickly)
8
promptly(now, directly, immediately, quickly)
7
at once(expression, idiom, now, directly)
7
pronto(now, directly, immediately, quickly)
7
without delay(expression, now, directly, immediately)
6
directly(now, immediately, rapidly, instantly)
6
forthwith(now, directly, immediately, quickly)
6
immediately
6
now(directly, immediately, rapidly, instantly)
6
right away(expression, now, directly, immediately)
4
straightaway
3
in a jiffy(expression, idiom, directly, immediately)
3
momentarily
3
this instant(expression, directly, rapidly, instantly)
2
in a second
2
in a wink
2
right now(now, directly, immediately, rapidly)
2
right off
2
straight(directly, immediately)
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APASmart Define. (2015). instanter thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/instanter/thesaurus/synonyms
ChicagoSmart Define. 2015. "instanter thesaurus" https://smartdefine.org/instanter/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, instanter thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/instanter/thesaurus/synonyms>.
MLASmart Define. "instanter thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/instanter/thesaurus/synonyms>