#1 give away v. make a gift of; "She gave away her antique furniture". wn
#2 give away v. 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 o. wn
#3 give away v. formally hand over to the bridegroom in marriage; of a bride by her father. wn
#4 give away v. give away information about somebody; "He told on his classmate who had cheated on the exam". wn
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