Psych
Definition 1 of 2

Causal Expression
In casual settings, 'psych' often conveys the idea of gearing up mentally for a challenge.

Before her big speech, she really needed to psych up.
Informal Manipulation
Using 'psych' can imply a subtle manipulation of someone's thoughts or feelings.

He wanted to psych out his opponents by pretending to be confident.
Mental Resilience
The term is relevant in discussions about mental toughness and preparation.

To succeed, you need to psych yourself to overcome fears.
Compare with
psychiatrypsychologypsychoanalyzepsychopathpsychotropic
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