noun, noun or participle which takes 'suru', intransitive verb
betting; gambling
Refers to the act of betting or gambling, often with a nuance of a pastime or vice. Can be used as a noun or with する to mean 'to gamble'.
彼は賭け事で財産を失った。
He lost his fortune through gambling.
賭け事はほどほどにしなさい。
Don't gamble too much.