7 letters · 10 points in Scrabble
adjective (of especially persons) lacking sense or understanding or judgment
originFrom Middle English witles, from Old English witlēas (“senseless; witless”), from Proto-Germanic *witjalausaz (“witless”), equivalent to wit + -less. Cognate with Swedish vettlös (“senseless; witless; wild”), Icelandic vitlaus (“senseless; witless; foolish; mad”).
Etymology from Wiktionary, CC BY-SA 3.0