26 entries under immediate topic. ×
| dire(prompt, fast, quick, urgent) | |
| imperative(prompt, fast, quick, urgent) | |
| importunate(prompt, fast, quick, urgent) | |
| in a flash | |
| pressing(direct, prompt, fast, quick) | |
| split-second(prompt, fast, quick, urgent) |
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Instantaneous on
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| APA | Smart Define. (2016). instantaneous thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/instantaneous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "instantaneous thesaurus" https://smartdefine.org/instantaneous/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, instantaneous thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/instantaneous/thesaurus/synonyms>. |
| MLA | Smart Define. "instantaneous thesaurus" 26 February 2016. Web. 24 September 2026. <https://smartdefine.org/instantaneous/thesaurus/synonyms> |