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Definition of “know best” - English Dictionary

"know best" in American English

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know best

to have ​opinions that should be ​accepted and ​respected by other ​people: Mom ​knowsbest when it comes to ​investingmoney.
(Definition of know best from the Cambridge Academic Content Dictionary © Cambridge University Press)







"know best" in British English

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know best

C2 to be the most ​suitableperson to have ​responsibility and make ​importantdecisions: When it comes to ​dealing with my own ​son, I ​think I know ​best.
(Definition of know best from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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