ACERB

• Acid

• Acid-tongued

• Acidulous

• Astringent

• Biting

• Biting in tone

• Biting, variantly

• Bitter

• Bitter in taste

• Bitter tasting

• Bitter to the taste

• Bitter, in poetry

• Bitter, old-style

• Bitterly harsh

• Bitterly written

• Caustic

• Cutting

• Cutting, as criticism

• Harsh

• Harsh, as criticism

• Having a bite

• Ill-tempered

• In a sour mood

• Lemony

• Like a sourball

• Like lemon juice

• Like unripe fruit

• Like vinegar

• Lip-puckering

• Mordant

• Sarcastic

• Sardonic

• Scathing

• Severe, as criticism

• Sharp

• Sharp in taste

• Sharp of tongue

• Sharp-tasting

• Sharp-tongued

• Sharp, as a comment

• Sharply bitter, as a comment

• Somewhat sour

• Sour

• Sour in taste

• Sour in tone

• Sour or bitter in taste

• Sour tasting, old-style

• Sour-tasting

• Sour, old-style

• Sourish

• Tangy

• Tart

• Tart in tone

• Tart-tasting

• Very tart

• Vinegary