125 entries under idiom topic. ×
| like the wind | |
| live wide-awake(expression, activity) | |
| more than diet | |
| moving swiftly | |
| natal day(expression, regularity of recurrence periodicity) | |
| not born yesterday(expression, subtle) | |
| not shakable | |
| observe yom kippur | |
| off the hip(expression, violent, quick) | |
| off the top of head(expression, violent, quick) | |
| off top of head(expression, violent, quick) | |
| offer vows(expression, worship) | |
| on short notice(expression, soon, swiftly, snappily) | |
| on the fly | |
| opposite of slow | |
| perish with hunger | |
| quick as a bunny | |
| quick on the uptake | |
| rapid velocity(expression, instantaneity) | |
| safe as houses(expression, adjective, safe, sheltered) |
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| APA | Smart Define. (2016). fast thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/fast/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "fast thesaurus" https://smartdefine.org/fast/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, fast thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/fast/thesaurus/synonyms>. |
| MLA | Smart Define. "fast thesaurus" 1 April 2016. Web. 26 September 2026. <https://smartdefine.org/fast/thesaurus/synonyms> |