gambling
US /ˈɡæm.blɪŋ/
UK /ˈɡæm.blɪŋ/

1.
the activity or practice of playing games of chance for money or other stakes
:
•
He lost all his savings due to his addiction to gambling.
•
Many people enjoy gambling responsibly as a form of entertainment.
2.
taking risky action in the hope of a desired result
:
•
Investing in volatile stocks is a form of financial gambling.
•
His decision to quit his job without a backup plan was a huge gambling.
1.
playing games of chance for money; betting
:
•
He spent the entire night gambling at the casino.
•
Are you still gambling on those online sites?