64 entries under fast topic. ×
| alert(precise, responsive, early, rapid) | |
| clamant(adjective, prompt, quick, immediate) | |
| crying(prompt, quick, immediate, urgent) | |
| curt(rapid, swift, instant) | |
| exigent(adjective, prompt, quick, immediate) | |
| headlong(adjective, summary, rapid, swift) | |
| impetuous(adjective, rapid, swift, sudden) | |
| urgent(adjective, direct, prompt, quick) | |
| ASAP(rapid, swift) | |
| active(rapid, swift) | |
| animated(rapid, swift) | |
| breakneck(summary, rapid, swift, instant) | |
| double time(expression, rapid, swift) | |
| energetic(rapid, swift) | |
| expeditive(rapid, swift) | |
| going(rapid, swift) | |
| harefooted(rapid, swift) | |
| impatient(rapid, swift) | |
| lead out(expression, rapid, swift) | |
| lively(rapid, swift) |
For more, visit
Instantaneous on
Power Thesaurus
| APA | Smart Define. (2016). instantaneous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/instantaneous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "instantaneous thesaurus" https://smartdefine.org/instantaneous/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, instantaneous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/instantaneous/thesaurus/synonyms>. |
| MLA | Smart Define. "instantaneous thesaurus" 26 February 2016. Web. 25 September 2026. <https://smartdefine.org/instantaneous/thesaurus/synonyms> |