Other forms: giveaways
A giveaway is something handed out free, or a sign that betrays a secret. A dead giveaway.
The betraying sense is commoner and usually describes a small unintended signal. A giveaway in marketing costs money and buys attention rather than loyalty.
1noungiveawaySomething handed out free, or a sign that betrays a secret.
“The postmark was the giveaway and nobody had thought about it.”
giveaway is a sign.
Deverbal from give away.
Etymology from Wiktionary, CC BY-SA