let out
verb.
express audibly; utter sounds (not necessarily words)
She let out a big heavy sigh|He uttered strange sounds that nobody could understand
Synonym: emit, let loose, utter
verb.
make known to the public information that was previously known only to a few people or that was meant to be kept a secret
The auction house would not disclose the price at which the van Gogh had sold|The actress won't reveal how old she is|bring out the truth|he broke the news to her|unwrap the evidence in the murder case|The newspaper uncovered the President's illegal dealings
verb.
bring out of a specific state
Synonym: bring out
verb.
make (clothes) larger
Let out that dress--I gained a lot of weight
Synonym: widen
Antonym: take in