Meaning of the word caustic in English

What does caustic mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

caustic

US /ˈkɑː.stɪk/
UK /ˈkɔː.stɪk/
"caustic" picture

Adjective

1.

able to burn or corrode organic tissue by chemical action

Example:
The chemical was so caustic that it dissolved the metal.
Handle the caustic solution with extreme care.
2.

sarcastic in a scathing and bitter way

Example:
Her caustic remarks offended everyone in the room.
He delivered a caustic critique of the new policy.

Noun

a caustic substance

Example:
The lab technician carefully handled the caustic.
Always wear protective gear when working with a caustic.