bark up the wrong tree
Meaning
To make a wrong assumption about who is responsible or what the cause is, and pursue the wrong person or idea.
Origin
From 19th‑century American hunting: a dog would bark at the base of a tree where it thought prey had gone, but if it chose the wrong tree, it was misled.
Notes
Informal to neutral; often corrective or mildly accusatory. Implies the listener is blaming or pursuing the wrong target/cause. Common in troubleshooting, blame, investigations.
Examples
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If you think I broke the printer, you're barking up the wrong tree—I wasn't even in the office yesterday.
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The police were barking up the wrong tree when they questioned the neighbor instead of checking the security footage.
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You're barking up the wrong tree asking me about the budget; you need to talk to Finance.
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She realized she’d been barking up the wrong tree after blaming her coworker for the missing files.
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We’re barking up the wrong tree trying to fix the app without looking at the server logs.
Grammar & Usage Notes
Fixed phrase with “the wrong tree.” Usually used with forms of “be” (“You’re barking up the wrong tree”) or in progressive/past (“was barking up…”). Subject can be person/organization.
Synonyms
- be mistaken
- be on the wrong track
- misplace the blame
- get the wrong end of the stick
Antonyms
- be on the right track
- hit the nail on the head
- pinpoint the cause