11 entries under formal topic. ×
| have no idea(expression, idiom, negation, nescience) | |
| can't tell(verb, negation, nescience) | |
| do not know(verb, negation, nescience) | |
| can't say(verb, negation, nescience) | |
| can not tell(verb, negation, nescience) | |
| cannot say(verb, negation, nescience) | |
| could not say(verb, negation, nescience) | |
| could not tell(verb, negation, nescience) | |
| couldn't say(verb, negation, nescience) | |
| couldn't tell(verb, negation, nescience) | |
| be in the dark(expression, idiom, nescience) |
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| APA | Smart Define. (-0001). don't know thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/don%27t_know/thesaurus/synonyms |
| Chicago | Smart Define. -0001. "don't know thesaurus" https://smartdefine.org/don%27t_know/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define -0001, don't know thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/don%27t_know/thesaurus/synonyms>. |
| MLA | Smart Define. "don't know thesaurus" 30 November -0001. Web. 29 September 2026. <https://smartdefine.org/don%27t_know/thesaurus/synonyms> |