give off

To emit or produce a smell, gas, heat, or light.

• The campfire began to give off thick white smoke as damp wood was added.

• Does that old heater give off enough warmth during winter nights?

To project or radiate a particular impression, feeling, or attitude.

• His tense posture gave off an unmistakable sense of unease during the interview.

• She does not usually give off such a distant vibe around coworkers.