lecherous
adjective /ˈletʃərəs/
  /ˈletʃərəs/
(disapproving)- showing an unpleasant sexual interest in somebody好色的;淫荡的 词源Middle English: from Old French lecheros, from lecheor, from lechier ‘live in debauchery or gluttony’, ultimately of West Germanic origin and related to lick.