Open English Wordnet
Verbs
(v)emit, give out, give offgive off, send forth, or discharge; as of light, heat, or radiation, vapor, etc.“The ozone layer blocks some harmful rays which the sun emits” (v)utter, emit, let out, let looseexpress audibly; utter sounds (not necessarily words)“She let out a big heavy sigh”,
“He uttered strange sounds that nobody could understand”