- Definitions|1
- Thesaurus|244
- Abbreviations|0
| incidentally | |
| mistakenly(adverb, short, sudden, suddenly, unexpectedly) | |
| spontaneously | |
| subconsciously | |
| undesignedly | |
| unintendedly | |
| unknowingly(adverb, short, sudden, suddenly, unexpectedly) | |
| unpremeditatedly | |
| ignorantly(adverb, short, sudden, suddenly, unexpectedly) | |
| aback(short, sudden, suddenly, unexpectedly, unawares) | |
| abruptly(short, sudden, suddenly, unexpectedly, unawares) | |
| adventitiously(adverb, accidentally) | |
| automatically | |
| by surprise(expression, short, sudden, suddenly, unexpectedly) | |
| coincidentally | |
| compulsively | |
| fatally(adverb, accidentally) | |
| fortunately(adverb, accidentally) | |
| heedlessly | |
| inattentively |
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| APA | Smart Define. (2015). unintentionally thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/unintentionally/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unintentionally thesaurus" https://smartdefine.org/unintentionally/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, unintentionally thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/unintentionally/thesaurus/synonyms>. |
| MLA | Smart Define. "unintentionally thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/unintentionally/thesaurus/synonyms> |