Synonyms|56Antonyms|44|Broader|49Narrower|61Related|69

29 entries under idiom topic. ×

10
i know(expression, communication, people, politeness)
8
i get it(expression, communication, people, politeness)
7
i have information(expression, communication, people, politeness)
7
i have knowledge(expression, communication, people, politeness)
6
i understand(expression, communication, people, politeness)
5
i am clued up(expression, communication, information, relations)
4
i am sure(expression, communication, people, politeness)
4
it goes without saying(expression, knowledge, attitude, perception)
3
beyond doubt(expression, knowledge, attitude, perception)
3
i am acquainted with(expression, communication, information, people)
3
i am certain(expression, knowledge, attitude, perception)
2
i am aware(expression, communication, knowledge, attitude)
2
i am convinced(expression, knowledge, attitude, perception)
2
i am persuaded(expression, knowledge, attitude, perception)
2
in the know(expression, communication, knowledge, attitude)
2
it is unquestionable(expression, knowledge, confidence, relations)
2
know for fact(expression, knowledge, attitude, perception)
2
no doubt(expression, communication, people, politeness)
2
no question(expression, knowledge, attitude, perception)
1
i bet(expression, knowledge, attitude, confidence)
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APASmart Define. (-0001). i don't know thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/i_don%27t_know/thesaurus/antonyms
ChicagoSmart Define. -0001. "i don't know thesaurus" https://smartdefine.org/i_don%27t_know/thesaurus/antonyms (accessed October 1, 2026).
HarvardSmart Define -0001, i don't know thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/i_don%27t_know/thesaurus/antonyms>.
MLASmart Define. "i don't know thesaurus" 30 November -0001. Web. 1 October 2026. <https://smartdefine.org/i_don%27t_know/thesaurus/antonyms>