| precisely(adverb, good, fine, true, sure) | |
| really(adverb, absolutely, exactly, positively, certainly) | |
| undeniably(adverb, certainly, categorically) | |
| plainly(adverb, certainly) | |
| unconditionally(adverb, absolutely, completely, exactly, positively) | |
| of course(expression, idiom, adverb, interjection, absolutely) | |
| perfectly(adverb, absolutely, really, truly, reliably) | |
| certainty | |
| explicitly | |
| unqualifiedly(adverb, absolutely, categorically) | |
| wholly(adverb, completely) | |
| yes(adverb, interjection, just, absolutely, exactly) | |
| certain | |
| decisively | |
| distinctly(adverb, absolutely, positively, certainly, precisely) | |
| quite | |
| to be sure(expression, idiom, adverb, interjection) | |
| unmistakably(adverb, absolutely, positively, certainly, easily) | |
| specifically(adverb, just, absolutely, exactly, clearly) | |
| doubtlessly(adverb, absolutely, really, exactly, certainly) |
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| APA | Smart Define. (2016). definitely thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/definitely/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "definitely thesaurus" https://smartdefine.org/definitely/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, definitely thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/definitely/thesaurus/synonyms>. |
| MLA | Smart Define. "definitely thesaurus" 18 February 2016. Web. 20 September 2026. <https://smartdefine.org/definitely/thesaurus/synonyms> |