Entry 1 sense Webster, 1913 Lecherous /lĕch'-ẽr-əs/ · Lech·er·ous · IPA /ˈlɛt͡ʃ.ɚ.əs/ 01 a. Like a lecher; addicted to lewdness; excessively lustful; -- used mostly of men; 1. Like a lecher; addicted to lewdness; excessively lustful; -- used mostly of men;