- Definitions|2
- Thesaurus|1.3k
- Abbreviations|0
30 entries under sudden topic. ×
| reckless(adjective, quick, speedy, hurried) | |
| rushed(adjective, quick, speedy, hurried) | |
| urgent(adjective, quick, speedy, hurried) | |
| acute | |
| instant | |
| quickening | |
| rushing(verb, adjective) | |
| sharp | |
| spontaneous | |
| without warning |
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| APA | Smart Define. (2016). fleeting thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/fleeting/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "fleeting thesaurus" https://smartdefine.org/fleeting/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, fleeting thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/fleeting/thesaurus/synonyms>. |
| MLA | Smart Define. "fleeting thesaurus" 29 March 2016. Web. 28 September 2026. <https://smartdefine.org/fleeting/thesaurus/synonyms> |