caustic

/kˈɑstɪk/ · 2 syllables

Meaning

adjective

1. harsh or corrosive in tone
   “an acerbic tone piercing otherwise flowery prose”
2. of a substance, especially a strong acid; capable of destroying or eating away by chemical action

noun

1. any chemical substance that burns or destroys living tissue

Synonyms for caustic

• acerb
• acerbic
• acid
• acrid
• bitter
• blistering
• sulfurous
• sulphurous
• virulent
• vitriolic
• unpleasant
• corrosive
• erosive
• mordant
• destructive

Words that rhyme with caustic

• agnostic
• diagnostic
• bostic
• kostic
• mostek