2
anon(adverb, directly)
2
apace
2
at one time(expression, idiom)
2
contiguous
2
expeditious
2
fast
2
first(now, directly, immediately, promptly)
2
first off(idiom, adverb, time, directly)
2
flying
2
forthright(adjective, straight, through, undeviating, unswerving)
2
hastily
2
in real time(expression, idiom, adverb)
2
instantaneous
2
instantaneously(adverb, straight, first, directly, immediately)
2
like a shot(expression, idiom, adverb)
2
linear(adjective, direct, right, true, straight)
2
nimble
2
normal
2
nowadays(adverb, importance)
2
on the instant(expression, idiom)
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APASmart Define. (2015). straightaway thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/straightaway/thesaurus/synonyms
ChicagoSmart Define. 2015. "straightaway thesaurus" https://smartdefine.org/straightaway/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, straightaway thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/straightaway/thesaurus/synonyms>.
MLASmart Define. "straightaway thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/straightaway/thesaurus/synonyms>