· expel (gases or odors)
Hypernym(s): exhaust, discharge, expel, eject, release
· give off, send forth, or discharge; as of light, heat, or radiation, vapor, etc.; "The ozone layer blocks some harmful rays which the sun emits"
Synonym(s): give_out, give_off
Antonym(s): absorb
· express audibly; utter sounds (not necessarily words); "She let out a big heavy sigh"; "He uttered strange sounds that nobody could understand"
Synonym(s): utter, let_out, let_loose