Passe
Part of speech: adjective
Definition: Dated; out of style; old-fashioned.
Old-hat
Part of speech: adjective
Definition: See old hat.
Difference between Passe and Old-hat
What is the difference between Passe and Old-hat?
Passe as an adjective is dated; out of style; old-fashioned. while Old-hat as an adjective is see old hat.
We hope you now know whether to use Passe or Old-hat in your sentence.