67 entries under adverb topic. ×

2
without hesitation(expression, directly, rapidly, instantly)
1
anon(now, directly, immediately, rapidly)
1
chop chop(expression, quickly, soon, swiftly)
1
first off(now, directly, immediately, today)
1
flat-out(quickly, rapidly, speedily)
1
fleetly(quickly, rapidly, soon, swiftly)
1
full tilt(expression, quickly, rapidly, soon)
1
hereupon(directly, immediately, rapidly, instantly)
1
hurriedly(quickly, rapidly, soon, swiftly)
1
immediately(now, directly, quickly, instantly)
1
instantaneously(directly, immediately, rapidly, instantly)
1
like a shot(expression, idiom, quickly, rapidly)
1
like greased lightning(expression, idiom, fast, speedy)
1
like wildfire(expression, quickly, rapidly, soon)
1
shortly(now, directly, immediately, rapidly)
1
soon afterward(expression, directly, rapidly, instantly)
1
straight off(expression, directly, rapidly, instantly)
1
summarily(directly, immediately, rapidly, instantly)
1
thereupon(directly, immediately, rapidly, instantly)
1
this minute(expression, directly, rapidly, instantly)
11 years ago|1.6k views|share |citing 
APASmart Define. (2015). on the double thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/on_the_double/thesaurus/synonyms
ChicagoSmart Define. 2015. "on the double thesaurus" https://smartdefine.org/on_the_double/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, on the double thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/on_the_double/thesaurus/synonyms>.
MLASmart Define. "on the double thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/on_the_double/thesaurus/synonyms>