Definition of not in one's right mind
- There's something wrong with him. He's not in his right mind.
: righteous, upright
: being in accordance with what is just, good, or proper
: conforming to facts or truth : correct
: qualities (such as adherence to duty or obedience to lawful authority) that together constitute the ideal of moral propriety or merit moral approval
: something to which one has a just claim: such as
: the power or privilege to which one is justly entitled
: according to right
: in the exact location, position, or moment : precisely
: in a suitable, proper, or desired manner
: to do justice to : redress the injuries of
: justify, vindicate
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