give away

verb

1. 1

   give away information about somebody

   He told on his classmate who had cheated on the exam

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

   make a gift of

   She gave away her antique furniture

4. 4

   formally hand over to the bridegroom in marriage; of a bride by her father