caustic

Noun
  1. Any chemical substance that burns or destroys living tissue (synset 115039096)
    is a type of: chemical compound, compound - (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
    subtypes:
    • lye - a strong solution of sodium or potassium hydroxide
    • silver nitrate - a nitrate used in making photographic emulsions; also used in medicine as a cautery and as a topical antibacterial agent
Adjective
  1. Harsh or corrosive in tone (synset 301807340)
    "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"
    similar to: unpleasant - offensive or disagreeable; causing discomfort or unhappiness
    same as: acerb, acerbic, acid, acrid, bitter, blistering, sulfurous, sulphurous, virulent, vitriolic
  2. Of a substance, especially a strong acid;
    Capable of destroying or eating away by chemical action (synset 300590069)
    similar to: destructive - causing destruction or much damage
    same as: corrosive, erosive, mordant, vitriolic

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