na-adjective, noun
exaggeration; hyperbole; overstatement
Used for statements, claims, or descriptions that are blown out of proportion. Often appears in compounds like 誇大広告 (exaggerated advertising) or 誇大妄想 (delusions of grandeur).
彼の話はいつも誇大だ。
His stories are always exaggerated.
その広告は誇大な表
That advertisement uses exaggerated expressions.