- brazenly obvious; flagrant: a blatant error in simple addition; a blatant lie.
- offensively noisy or loud; clamorous: blatant radios.
- tastelessly conspicuous: the blatant colors of the dress.
- glaringly conspicuous or obviousa blatant lie
- offensively noticeableblatant disregard for a person’s feelings
- offensively noisy
1596, in blatant beast, coined by Edmund Spenser in “The Faerie Queen” to describe a thousand-tongued monster representing slander; probably suggested by Latin blatire “to babble.” It entered general use 1650s, as “noisy in an offensive and vulgar way;” the sense of “obvious, glaringly conspicuous” is from 1889. Related: Blatantly.