caustic

Adjective

• of a substance, especially a strong acid; capable of destroying or eating away by chemical action

• harsh or corrosive in tone
  • an acerbic tone piercing otherwise flowery prose
    
  • a barrage of acid comments
    
  • her acrid remarks make her many enemies
    
  • bitter words
    
  • blistering criticism
    
  • caustic jokes about political assassination, talk-show hosts and medical ethics
    
  • a sulfurous denunciation
    
  • a vitriolic critique
    

Noun

• any chemical substance that burns or destroys living tissue

Related words

• Synonyms: 
  corrosive , erosive , vitriolic , mordant