Akademik

acerb
adjective
1. sour or bitter in taste
Syn: ↑acerbic, ↑astringent
Similar to: ↑sour
Derivationally related forms: ↑astringency (for: ↑astringent), ↑astringence (for: ↑astringent), ↑acerbity (for: ↑acerbic)
2. harsh or corrosive in tone
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an acerbic tone piercing otherwise flowery prose

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a barrage of acid comments

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her acrid remarks make her many enemies

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bitter words

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blistering criticism

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caustic jokes about political assassination, talk-show hosts and medical ethics

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a sulfurous denunciation

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a vitriolic critique

Syn:
acerbic, ↑acid, ↑acrid, ↑bitter, ↑blistering, ↑caustic, ↑sulfurous, ↑sulphurous, ↑virulent, ↑vitriolic
Similar to: ↑unpleasant
Derivationally related forms:
vitriol (for: ↑vitriolic), ↑virulency (for: ↑virulent), ↑virulence (for: ↑virulent), ↑bitterness (for: ↑bitter), ↑acridness (for: ↑acrid), ↑acridity (for: ↑acrid), ↑acerbity (for: ↑acerbic)

Useful english dictionary. 2012.