gormless definition by Webster's New World
Origin: altered ; from dialect, dialectal gaumless ; from gaum, gome, care ; from Middle English gome ; from Old Norse gaum, akin to Old English gieme, care, Gothic gaumjan, to heed
gormless definition by American Heritage Dictionary
adjective Chiefly British
Origin: From dialectal gawm, sense, from Middle English gome, notice, from Old Norse gaumr.