Mean
Foul Play, Cowardly, Base
noun, な adjective
ひれつ
Mean 卑劣 behavior is lowly 卑 and inferior 劣
Calling someone lowly 卑 and inferior 劣 is Mean 卑劣
He ひ lets れつ Mean things slide out of his mouth.
He ひ lets れつ Mean things happen.
He ひ lets れつ people get away with Foul Play.