8
directly(adverb, time, straight, immediately, quickly)
7
immediately(adverb, time, directly)
7
instantly(adverb, time, straight, directly, immediately)
7
straightaway(adverb, time, directly)
6
at once(expression, idiom, adverb, time, directly)
6
now(adverb, time, straight, directly, immediately)
6
right away(expression, adverb, time, directly, immediately)
5
forthwith(adverb, time, directly, immediately, quickly)
5
right off(adverb, time, directly)
4
promptly(adverb, straight, directly, immediately, quickly)
3
anon(adverb, directly, immediately, quickly, rapidly)
3
instant(adverb, time, directly)
3
quickly(adverb, directly)
3
without hesitation(expression, adverb, directly, immediately, rapidly)
2
first off(idiom, adverb, time, directly)
2
instanter(adverb, directly, immediately, quickly, rapidly)
2
presently(adverb, directly)
2
pronto(adverb, directly, immediately, quickly, rapidly)
2
shortly(adverb, straight, directly, immediately, quickly)
2
speedily(adverb, directly)
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APASmart Define. (2015). straight off thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/straight_off/thesaurus/synonyms
ChicagoSmart Define. 2015. "straight off thesaurus" https://smartdefine.org/straight_off/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, straight off thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/straight_off/thesaurus/synonyms>.
MLASmart Define. "straight off thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/straight_off/thesaurus/synonyms>