let out

verb

1. 1

   make (clothes) larger

   Let out that dress--I gained a lot of weight

2. 2

   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

3. 3

   express audibly; utter sounds (not necessarily words)

   She let out a big heavy sigh

   He uttered strange sounds that nobody could understand

4. 4

   bring out of a specific state