Definition of frame of mind noun from the Oxford Advanced Learner's Dictionary

 

frame of mind

 noun
noun
BrE
 
; NAmE
 
[singular]
 
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the way you feel or think about something at a particular time We'll discuss this when you're in a better frame of mind. By his own admission, Gordon was not in the right frame of mind to win yesterday. It put them in a positive frame of mind for the final game.
See the Oxford Advanced American Dictionary entry: frame of mind