1
in a while(expression, idiom, earliness)
1
in double-quick time(expression, idiom)
1
in double time(expression, idiom)
1
in high
1
in high gear(expression, idiom)
1
in passing
1
in seven-league boots(expression, idiom)
1
in short order(expression, idiom, quickly, rapidly, speedily)
1
incontinently
1
instant
1
lickety-cut
1
like a bat out of hell(idiom, adverb, fast)
1
like a blue streak(idiom, adverb, fast)
1
like a house on fire(idiom, adverb, fast)
1
like a streak(idiom, adverb, fast)
1
like lightning(expression, adverb, quickly, rapidly, speedily)
1
nimbly
1
on spur of the moment
1
pell-mell
1
post
11 years ago|6.1k views|share |citing 
APASmart Define. (2015). apace thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/apace/thesaurus/synonyms
ChicagoSmart Define. 2015. "apace thesaurus" https://smartdefine.org/apace/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, apace thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/apace/thesaurus/synonyms>.
MLASmart Define. "apace thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/apace/thesaurus/synonyms>