caustic

adjective/ˈkɔstɪk/

Frequency rank: #13,420 most common English word

Meaning

Able to burn or corrode organic tissue by chemical action; also sharply critical or sarcastic in tone.

Illustration for the English word “caustic”

Example sentence

The scientist warned us that the caustic chemical could burn through metal if handled carelessly.

Synonyms & related words

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