Witless \Wit"less\, a. Destitute of wit or understanding; wanting thought; hence, indiscreet; not under the guidance of judgment. ``Witless bravery.'' --Shak. A witty mother! witless else her son. --Shak. Witless pity breedeth fruitless love. --Fairfax. -- {Wit"less*ly}, adv. -- {Wit"less*ness}, n.