Lechery is defined as excessive or unrestrained indulgence in sexual activity or inappropriate sexual desires.(noun)
Old men lusting after and pursuing young women is an example of lechery.
See lechery in Webster's New World College Dictionary
noun pl. lecheries
Origin: ME lecherie < OFr < lecheur, lecher
See lechery in American Heritage Dictionary 4
noun pl. lech·er·ies
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