1. An unintentional disclosure
   "His nervous laughter was a giveaway that he was lying"
    
2. A gift of public land or resources for the private gain of a limited group
   "The controversial land giveaway to developers sparked public outrage"
    
3. A television or radio program in which contestants compete for awards
   "The new game show was just another daytime giveaway";
   - game show

1. Make a gift of
   "She gave away her antique furniture"
    
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
   "give away the evidence in the murder case";
   - unwrap, disclose, let on, bring out, reveal, discover, expose, divulge, break, let out, uncover, lay bare
    
3. Inform on someone to authorities or others in power
   "He gave away his classmate who had cheated on the exam";
   - denounce, tell on, betray, rat [informal], grass, shop [informal], snitch [informal], stag, squeak [informal]
    
4. Formally hand over to the bridegroom in marriage; of a bride by her father
   "The father gave away his daughter at the wedding ceremony"

Derived forms: giving away, gives away, giveaways, given away, gave away

Type of: broadcast, deliver, disclosure, gift, give, hand over, inform, present, program [N. Amer], programme [Brit, Cdn], render, revealing, revelation, tell, turn in