What does "overbet" mean?

A bet which is more than standard for a particular situation.

What is a synonym for "overbet"?

Common synonyms include: overplay.

noun, verb

noun, verb ·Rare ·Advanced level

Noun

1
A bet which is more than standard for a particular situation.
"Since the pot was only $10, Julie's $100 bet was certainly an overbet."

Verb

1
To bet an amount which is more than standard for a particular situation.
"Julie overbet by betting $100 into a $10 pot."

"Since the pot was only $10, Julie's $100 bet was certainly an overbet."

From over- + bet.