Quick answer: “Put your money where your mouth is” means to back up what you say with action, especially by risking money, time, or effort to prove that you genuinely mean it.
Put your money where your mouth is — To back up what you say with action, especially by risking money, time, or effort to prove that you genuinely mean it.
Origin & History
This expression is generally thought to come from American gambling slang. If someone claimed confidence about the outcome of a bet, they would be challenged to actually place money on it rather than simply talk.
From this literal betting context, the idiom broadened into a general challenge used whenever someone makes a bold claim: instead of just talking, they should commit real resources to demonstrate they believe what they are saying.
Example Sentences
| Sentence | Context |
|---|---|
| If you really believe the team will win, put your money where your mouth is and place a bet. | Sport, wager |
| The company finally put its money where its mouth is by investing in renewable energy. | Business, values |
| Stop complaining about the service and put your money where your mouth is by switching providers. | Consumer decision |
| He said he'd support local businesses, so he put his money where his mouth is and shopped there. | Personal commitment |
| The politician promised change; now voters want her to put her money where her mouth is. | Politics, accountability |
How to Use It
This idiom is generally used to describe the situation directly, often following a form of the verb "to be" or paired with a verb of change such as "go" or "get." It works well in both spoken and written English, and is most effective when it clearly refers to a real, specific situation rather than being used vaguely.
Common Mistakes
Mistakes to Avoid
Put your money where your mouth are.
Put your money where your mouth is. — the verb agrees with the singular 'mouth'.
He puts money where his mouth.
He puts his money where his mouth is. — don't drop 'his' or 'is'.
Put your mouth where your money is.
Put your money where your mouth is. — the word order is fixed — don't reverse it.
Similar Idioms
Practise This Idiom
Practice English Idioms
Use these exercises to master idioms in context:
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Quick Check: Put your money where your mouth is
2 questions — test what you just learned.
1. What does “Put your money where your mouth is” mean?
2. Complete the sentence: “If you really believe the team will win, _____ and place a bet.”
Frequently Asked Questions
What does “Put your money where your mouth is” mean?
“Put your money where your mouth is” means To back up what you say with action, especially by risking money, time, or effort to prove that you genuinely mean it.
Where does the idiom “Put your money where your mouth is” come from?
This expression is generally thought to come from American gambling slang. If someone claimed confidence about the outcome of a bet, they would be challenged to actually place money on it rather than simply talk.
Can you give an example of “Put your money where your mouth is” in a sentence?
Here is an example: “If you really believe the team will win, put your money where your mouth is and place a bet.” — used in the context of sport, wager.
Is “Put your money where your mouth is” formal or informal?
This idiom is informal. It is very common in everyday conversation and casual writing, and it is generally avoided in formal or academic contexts.
What CEFR level is “Put your money where your mouth is”?
This idiom is typically taught at B2 level. It is a common upper-intermediate expression that appears in conversation, journalism, and general writing, and learners at this level should understand and be able to use it actively.
What are common mistakes with “Put your money where your mouth is”?
A common mistake is: Put your money where your mouth are. The correct form is: Put your money where your mouth is. (the verb agrees with the singular 'mouth')
What idioms are similar to “Put your money where your mouth is”?
Similar idioms include: Walk the talk, Practise what you preach, Back it up, Show your hand. These share a related meaning or usage context.
How do I practise idioms like “Put your money where your mouth is”?
Use LexFizz's Flash Cards and Flip Tiles exercises. Try writing your own example sentences using the idiom in context, and listen for it in films, podcasts, and everyday conversation.
Can “Put your money where your mouth is” be used in writing?
Yes. It works well in informal writing, personal emails, and casual journalism. In everyday and semi-formal writing it is a natural and clear choice.
Does “Put your money where your mouth is” have the same meaning in British and American English?
Yes, “Put your money where your mouth is” is understood in both British and American English with the same meaning: To back up what you say with action, especially by risking money, time, or effort to prove that you genuinely mean it. The idiom is widely recognised across all major varieties of English.