To follow a false scent; to pursue a road that leads nowhere.

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1833.  It does n’t take a Philadelphia lawyer to tell, that the man who serves the master one day, and the enemy six, has just six chances out of the seven to go to the devil; you are barking up the wrong tree, Johnson,—take a fresh start, and try to get on the right trail.—James Hall, ‘Legends of the West,’ p. 46. (Italics in the original.)

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1833.  I told him that he had got hold of the wrong man; that he did n’t know who he was fooling with; that he reminded me of the meanest thing on God’s earth, an old coon dog, barking up the wrong tree.—‘Sketches of D. Crockett,’ p. 58 (N.Y.).

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1834.  [The Indians] to use another western phrase, “barked up the wrong tree” when they got hold of Tom Smith.—Albert Pike, ‘Sketches,’ &c., p. 34 (Boston).

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1836.  You ’ve been barking up the wrong tree, cried the Ohioan.—Knickerbocker Mag., vii. 15 (Jan.).

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1836.  Job, little dreaming that he was barking up the wrong tree, shoved along another bottle, which my constituents quickly disposed of with great good humour.—‘Col. Crockett in Texas,’ p. 20 (Phila.).

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1838.  Instead of having treed their game, gentlemen will find themselves still “barking up the wrong tree.”—Mr. Duncan of Ohio in the House of Representatives, July 7: Cong. Globe, p. 474, Appendix.

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1839.  The same reckless indifference which causes a puppy to bark up the wrong tree.Chemung (N.Y.) Democrat, September 18.

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1840.  We would whisper in our friend The.’s ear, that he has barked up the wrong tree.—John P. Kennedy, ‘Quodlibet,’ p. 148 (1860).

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1841.  The stockjobbers were barking up the wrong tree when they wrote these letters.—Mr. Duncan of Ohio, House of Representatives, Jan. 25: Cong. Globe, p. 153, Appendix.

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1841.  He is barking up the wrong tree this time.—Knick. Mag., xvii. 27 (Jan.).

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1850.  On finding that he had been barking up the wrong tree, he told them that he had gold in his pocket.—Frontier Guardian (Iowa), Dec. 11, edited by Orson Hyde.

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1855.  Such a scout’s no better than a mangy dog that barks up the wrong tree.—W. G. Simms, ‘The Forayers,’ p. 447 (N.Y.).

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1859.  Isn’t it barely possible that you may have been barking up the wrong tree?Knick. Mag., liv. 442 (Oct.).

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1866.  If my coon dog does sometimes bark up the wrong tree, he don’t mean any harm by it.—C. H. Smith, ‘Bill Arp,’ p. 72–3.

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