Lecherous/ˈletʃərəs/ Definition 1 of 1Pro Tip 1/3Negative Connotation Lecherous suggests a distasteful, inappropriate, or excessive interest in sex. The lecherous remarks at the workplace were reported to HR. Pro Tip 2/3Visual Discomfort Describes looks that make others feel uneasy due to implied sexual interest. She shuddered under his lecherous stare. Pro Tip 3/3Offensive Behavior Often used to label actions or expressions as socially or morally unacceptable. His lecherous behavior got him banned from the club.