Unpleasantly loud and noisy: "There are those who find the trombones blatant and the triangle silly, but both add effective color” ( Musical Heritage Review). See Synonyms at vociferous.
Usage Problem Totally or offensively conspicuous or obtrusive: a blatant lie.
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.