67 entries under directly topic. ×

29
immediately(noun, adverb, interjection, time, freely)
27
without delay(noun, expression, idiom, adverb)
22
instantly(noun, adverb, time, first, now)
21
right away(noun, verb, expression, adverb, phrasal verb)
19
promptly(noun, adverb, first, now)
18
pronto(adverb, now, immediately, quickly)
15
straight away(noun, verb, adverb, phrasal verb)
14
quickly(adverb, interjection, sharp, straight, dead)
13
forthwith(adverb, time, now, immediately)
13
straightaway(adverb, time, dead, first, now)
12
instantaneously(adverb, first, immediately, quickly)
12
now(adverb, time, prompt, immediately)
12
speedily(adverb, straight, immediately, quickly)
10
swiftly(adverb, immediately, quickly, rapidly)
9
straight off(verb, expression, adverb, phrasal verb, time)
7
in no time(noun, expression, idiom, first)
7
instanter(adverb, now, immediately, quickly)
6
rapidly(adverb, immediately, quickly, instantly)
6
right off(expression, adverb, time, straight, dead)
5
in a wink(noun, expression, idiom, adverb)
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APASmart Define. (2015). at once thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/at_once/thesaurus/synonyms
ChicagoSmart Define. 2015. "at once thesaurus" https://smartdefine.org/at_once/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, at once thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/at_once/thesaurus/synonyms>.
MLASmart Define. "at once thesaurus" 14 April 2015. Web. 27 September 2026. <https://smartdefine.org/at_once/thesaurus/synonyms>