Wiktionary
vb. 1 (context intransitive English) To come out of, because of a leak 2 (context intransitive idiomatic English) to be revealed (especially, of information intended to be kept secret)
WordNet
v. be leaked; "The news leaked out despite his secrecy" [syn: leak]
Usage examples of "leak out".
Our operations people have orders to find out what was going on, and that's all that can leak out.
The broadcast was limited to Kraine, but of course the news would leak out, and then the rest of Saturn, and indeed the rest of the Solar System, would quicken with interest.
Until the conference is called no suspicion that it is to be held must be allowed to leak out.
It took eighteen months for the news to leak out in America, and three years almost to the day for Lieutenant William Calley to be convicted by court-martial.
And because a number of Ethiopians worked close to some of the operations at Kagnew Station, it was felt that any attempt to eavesdrop from within would quickly leak out.
Rumors, however, had begun to leak out, hence the Emperor was moved to dispatch his newest Imperial Auditor to investigate.