lecherous
adjective/ˈletʃərəs/
/ˈletʃərəs/
(disapproving)- showing an unpleasant sexual interest in somebody synonym lascivious, lustfulWord OriginMiddle English: from Old French lecheros, from lecheor, from lechier ‘live in debauchery or gluttony’, ultimately of West Germanic origin and related to lick.
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lecherous