expression, i-adjective
uninterested; not interested; having no interest
A common casual expression meaning 'not interested' or 'having no interest'. Often used with the particle は or には to indicate what one is not interested in.
私は政治には興味ない。
I'm not interested in politics.
彼はスポーツに興味ないみたい。
He doesn't seem interested in sports.
A fixed phrase formed from the noun 興味 (interest) and the negative form of the verb ある (to exist), literally 'there is no interest'.