Sharp and harsh in speech, manner, or temper; bitter and cutting in tone or style. Often describes criticism, wit, or commentary that is particularly biting or caustic.
From Latin 'acerbus' meaning 'bitter, harsh,' related to 'acer' (sharp). The word originally described the bitter taste of unripe fruit, then evolved to describe sharp, bitter speech or manner.
Think 'A-SERBIC' like 'acid' - acerbic comments are like verbal acid, burning and sharp! Picture someone's tongue as sharp as a blade, cutting with bitter words.
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