Undermine definition, to injure or destroy by insidious activity or imperceptible stages, sometimes tending toward a sudden dramatic effect. See more.
English Etymology . From under-+ mind. Noun . undermind (plural underminds) The subconscious mind or self. 1909, Percy Dearmer, Body and soul:
Undermind; Studio album by Phish; Released: June 15, 2004 : Recorded: May 2002, The Barn, Vermont, April 2003, Nantucket, Massachusetts, June 2004, Big Moe Recording ...
Noun (plural Underminds) (underminded, underminding, underminder) To Think, Spy, Eavesdrop, Outwit, and Prank on your enemies.