Related Clues:

• Biting, variantly
• Like vinegar
• Harsh, as criticism
• Biting, as criticism
• Acrimonious
• Scathing
• Like grapefruits
• Like lemon juice
• Severe, as criticism
• Bitter to the taste
• Biting, as wit
• Bitter, in poetry
• Harsh and sharp in speech
• Sour in taste or harsh in tone
• Tasting sour or caustic in speech