39 entries under instantly topic. ×

3
pdq(now, directly, immediately, rapidly)
3
shortly(adverb, now, directly, immediately, quickly)
3
this instant(expression, idiom, adverb, directly, rapidly)
3
this minute(expression, adverb, directly, immediately, rapidly)
3
without hesitation(expression, adverb, directly, immediately, rapidly)
2
in nothing flat(expression, now, directly, immediately, rapidly)
2
like now(expression, now, directly, immediately, rapidly)
2
thereupon(adverb, directly, immediately, rapidly)
1
at short notice(expression, idiom, directly, immediately, rapidly)
1
double-time(directly, immediately, rapidly, shortly)
1
hereupon(directly, immediately, rapidly, shortly)
1
in a New York minute(expression, idiom, directly, rapidly)
1
in a flash(expression, idiom, directly, immediately, rapidly)
1
in a jiffy(expression, idiom, adverb, directly, immediately)
1
now or never(expression, idiom, directly, rapidly)
1
on the dot(expression, idiom, directly, rapidly)
1
rapidly(adverb, early, directly, immediately)
1
soon afterward(expression, directly, immediately, rapidly)
1
urgently(directly, immediately, rapidly, shortly)
<12>
11 years ago|6.1k views|share |citing 
APASmart Define. (2015). forthwith thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/forthwith/thesaurus/synonyms
ChicagoSmart Define. 2015. "forthwith thesaurus" https://smartdefine.org/forthwith/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, forthwith thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/forthwith/thesaurus/synonyms>.
MLASmart Define. "forthwith thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/forthwith/thesaurus/synonyms>