Refers to losing money, often in large amounts, as a consequence of betting. Despite winning at first, he gambled away his entire inheritance.
Pro Tip 2/3
Irreversible Action
The action of 'gambling away' something is usually final, with no way to get it back. She didn't realize that she was gambling away her family's security.
Pro Tip 3/3
Negative Outcome
Implies an unfortunate or undesirable result due to gambling. His addiction led him to gamble away his house and car.