68 entries under idiom topic. ×

1
at one jump
1
at one stroke
1
at one swoop
1
at short notice(expression, directly, immediately, rapidly)
1
at the drop of a hat(expression, adverb, freely, immediately)
1
bright and early(expression, soon, swiftly, snappily)
1
by and by(expression, now, soon, swiftly)
1
by forced marches
1
in a New York minute(expression, directly, immediately, rapidly)
1
in a flash(expression, directly, immediately, rapidly)
1
in a hurry
1
in a second(expression, adverb, directly, immediately)
1
in a short time(expression, now, soon, swiftly)
1
in an instant(expression, first, now, directly)
1
in double time(expression, soon, swiftly, snappily)
1
in good time(expression, soon, swiftly, snappily)
1
in high gear(expression, soon, swiftly, snappily)
1
in short order(expression, quickly, rapidly, soon)
1
in the bud(expression, soon, swiftly, snappily)
1
like a bat out of hell(expression, soon, swiftly, snappily)
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APASmart Define. (2015). at once thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/at_once/thesaurus/synonyms
ChicagoSmart Define. 2015. "at once thesaurus" https://smartdefine.org/at_once/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, at once thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/at_once/thesaurus/synonyms>.
MLASmart Define. "at once thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/at_once/thesaurus/synonyms>