know (one's) own mind

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know (one's) own mind

To be firmly resolute and confident in one's ideas, intentions, plans, or opinions. I've never worried too much about the effects of peer pressure on Kelly, as she really knows her own mind on what's right or wrong.
See also: know, mind, own

know one's own mind

Be certain about what one wants; be decisive. For example, Don't ask him; he's so tired that he doesn't know his own mind, or She certainly knows her own mind when it comes to giving stage directions. This term was first recorded in 1824.
See also: know, mind, own

know your own mind

be decisive and certain.
See also: know, mind, own

know your own ˈmind

know what you want or like: At 25 you’re old enough to know your own mind and make these decisions for yourself.
See also: know, mind, own