1
on schedule(expression, adverb, prompt, early, promptly)
1
on the instant(expression, idiom)
1
on time(expression, early, schedule, promptly, freshly)
1
pdq(adverb, now, directly, immediately, rapidly)
1
per saltum
1
piece of cake(expression, idiom, adverb, freely, easily)
1
presto(adverb, first, now, directly, immediately)
1
pretty damned quick(expression, idiom)
1
pretty soon(expression, adverb, now, immediately, shortly)
1
primitively(adverb, first, now, directly, immediately)
1
punctually(adverb, prompt, early, proximately, promptly)
1
quick(quickly, rapidly, speedily)
1
quick as a wink(expression, idiom, adverb, freely, immediately)
1
quickly effortlessly(expression, adverb, freely, immediately, easily)
1
recently(adverb, first, now, directly, immediately)
1
seasonably(adverb, first, now, directly, immediately)
1
short(adverb, suddenly, unexpectedly, unawares, abruptly)
1
simultaneously
1
slick as whistle(expression, idiom, adverb, freely, immediately)
1
smartly
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APASmart Define. (2015). without delay thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/without_delay/thesaurus/synonyms
ChicagoSmart Define. 2015. "without delay thesaurus" https://smartdefine.org/without_delay/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, without delay thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/without_delay/thesaurus/synonyms>.
MLASmart Define. "without delay thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/without_delay/thesaurus/synonyms>