- Definitions|1
- Thesaurus|418
- Abbreviations|0
| suddenly(adverb, unexpected, suddenly, unawares, abruptly) | |
| abruptly(adverb, short, sudden, suddenly, unawares) | |
| surprisingly(adverb, short, sudden, suddenly, unawares) | |
| hastily(adverb, suddenly, earliness) | |
| by chance(expression, idiom, adverb, accident) | |
| unawares(adverb, suddenly, abruptly, inexpectation) | |
| accidentally(adverb, short, sudden, suddenly, casually) | |
| without warning(expression, idiom, adverb, suddenly, unawares) | |
| aback(short, unexpected, sudden, suddenly, unawares) | |
| all at once(expression, idiom) | |
| circumstantially | |
| impulsively | |
| out of the blue | |
| swiftly | |
| hurriedly(adverb, suddenly) | |
| plump(adverb, inexpectation) | |
| pop | |
| short(adverb, sudden, suddenly, unawares, abruptly) | |
| sudden(short, suddenly, unawares, abruptly, astonishingly) | |
| perchance |
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| APA | Smart Define. (2015). unexpectedly thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/unexpectedly/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unexpectedly thesaurus" https://smartdefine.org/unexpectedly/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, unexpectedly thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/unexpectedly/thesaurus/synonyms>. |
| MLA | Smart Define. "unexpectedly thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/unexpectedly/thesaurus/synonyms> |