Fetching details from the dictionary...

to let leak; to let out (e.g. light)
to let out (a secret); to leak (information); to divulge; to disclose; to let slip
to give utterance to (e.g. one's dissatisfaction); to vent; to express; to reveal (e.g. one's true intentions); to let out (a sigh, etc.)
to wet one's pants
to omit; to leave out
to fail to do; to miss; to omit (by mistake); to forget to do
彼女は不満を洩らすことなく黙々と仕事を続けた。
She continued working silently without voicing any complaints.
機密情報を洩らした社員が懲戒処分を受けた。
The employee who leaked confidential information was disciplined.
秘密を洩らしてしまった。
He let the secret slip.