Question 1

What does "give off" mean?

Accepted Answer

To produce and release a physical emission such as a smell, heat, light, or gas.

Question 2

How do you use "give off" in a sentence?

Accepted Answer

The chemical reaction gave off a strong smell of sulfur.

Question 3

Is "give off" formal or informal?

Accepted Answer

"give off" is register-neutral — appropriate in both casual and formal contexts. Very commonly used with smells, heat, light, gases, and radiation. Also widely used informally to describe the impression or 'vibe' someone or something gives: 'She gives off a confident vibe.' This informal 'vibe' usage is especially common in social media and younger speakers' language.

give off

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