1
a
: something that is laid, staked, or pledged typically between two parties on the outcome of a contest or a contingent issue : wager
—often used figuratively in such phrases as all bets are off to stress the uncertainty of an outcome
b
: the act of giving such a pledge
2
: something to wager on
3
: a choice made by consideration of probabilities
your best bet is the back road
bet also betted; betting
1
a
: to stake on the outcome of an issue or the performance of a contestant
b
: to be able to be sure that
—usually used in the expression you bet
you bet I'll be there
2
a
: to maintain with or as if with a bet
b
: to make a bet with
c
: to make a bet on
: to lay a bet
between
Did you know?
Slang Meaning of Bet
Bet is an informal affirmative, sometimes used jokingly, similar to “For sure!” or “Great!” It can express enthusiastic affirmation, agreement, or approval. Learn more >
Synonyms
Examples of bet in a Sentence
Noun
He has a bet on the game.
He made a bet with his brother that he could finish his chores first.
He and his brother have a bet about who can finish his chores first.
He lost the bet and had to pay his brother five dollars.
His brother won the bet.
He paid his brother five dollars to settle the bet.
Verb
He bet $5 on the game.
I'll bet that he makes the next shot.
He always bets that the favorite will win.
He lost a lot of money by betting on college football and basketball.
I bet against the favorite and I lost.
I wouldn't bet against her. She's very likely to win this race.
Carmakers are betting that people will want to buy larger, more expensive cars this year.
Recent Examples on the Web
Marco Della Cava, USA TODAY, 15 Feb. 2025
Combining these two stylistic tendencies for a bet at 9/2 feels like a winner and boosts the odds of our treble to 19.33/1!
—Sam Tighe, The Athletic, 14 Feb. 2025
Ayesha Javed, TIME, 16 Feb. 2025
The player bet $1, hit spin and watched as the symbols flashed across the screen until a jackpot message appeared.
—Helena Wegner, Sacramento Bee, 14 Feb. 2025
See all Example Sentences for bet 
Examples are automatically compiled from online sources to
show current usage.
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Noun
While details of the ceremony remain under wraps, there's a good bet that organizers will take a cue from the recent Grammy Awards, which tastefully and appropriately made heroic firefighters and fundraising a focus of the performance-rich night.
—Marco Della Cava, USA TODAY, 15 Feb. 2025
Combining these two stylistic tendencies for a bet at 9/2 feels like a winner and boosts the odds of our treble to 19.33/1!
—Sam Tighe, The Athletic, 14 Feb. 2025
Verb
Like many other tech companies, AWS, which is Amazon’s most profitable unit, is betting big on AI.
—Ayesha Javed, TIME, 16 Feb. 2025
The player bet $1, hit spin and watched as the symbols flashed across the screen until a jackpot message appeared.
—Helena Wegner, Sacramento Bee, 14 Feb. 2025
See all Example Sentences for bet
Articles Related to bet
Dictionary Entries Near bet
Cite this Entry
“Bet.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bet. Accessed 19 Feb. 2025.
Copy CitationKids Definition
bet
1 of 2 noun1
: an agreement requiring the person whose guess about the result of a contest or the outcome of an event proves wrong to give something to a person whose guess proves right
2
: the money or thing risked
3
: a choice made by considering what might happen
our best bet is to take the back road
bet
2 of 2 verb
bet also betted; betting
1
: to risk in a bet
I'll bet a nickel
2
: to make a bet with
I bet you he won't
3
: to be certain enough to bet
I bet it will rain
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