a. 1. Having no taste; insipid; flat; as, tasteless fruit. [ 1913 Webster ]
2. Destitute of the sense of taste; or of good taste; as, a tasteless age. Orrery. [ 1913 Webster ]
3. Not in accordance with good taste; as, a tasteless arrangement of drapery; a tasteless remark. [ 1913 Webster ]
-- Taste"less*ly, adv. -- Taste"less*ness, n. [ 1913 Webster ]