Anything sham or forged. The origin of the word is obscure. See N.E.D.
  Bogus, says Mr. Lowell, Introduction to the ‘Biglow Papers,’ 1866, “is, I more than suspect, a corruption of the French bagasse (from low Latin bagasea), which travelled up the Mississippi from New Orleans.” [See BAGASSE.]

1

1827.  He never procured the casting of a Bogus at one of our furnaces.—Painesville (Ohio) Telegraph, July 6. (N.E.D.)

2

1840.  The Commissioners had ascertained by the aid of hammer and chisel, that the boxes of the “real stuff” which had been so loudly vaunted, contained a heavy charge of broken glass and tenpenny nails, covered above and below with half-dollars, principally “bogus.”—Mrs. Kirkland, ‘A New Home,’ p. 227. (Italics in the original.)

3

1842.  Cowdery, Whitman, and others were guilty of perjury, cheating, selling bogus money (base coin), and even stones and sand for bogus.—John A. Clark, ‘Gleanings by the Way,’ p. 340.

4

1844.  To bolster up the interests of blacklegs and bogus-makers.Nauvoo Neighbor, June 12.

5

1844.  A bogus press for making counterfeit money was dug up near Lyme, Huron County, Pa., on Monday last.—Phila. Spirit of the Times, Oct. 12.

6

1848.  No luggage, nor no nothing, but a roll of bogus.—W. E. Burton, ‘Waggeries,’ p. 90 (Phila.).

7

1850.  We employed that same Bill Hickman to ferret out a bogus press and a gang of counterfeiters that were going into operation in our frontier country. James H. Mulholland was one of the principal actors in the bogus business…. A part of the bogus machine has been found here in Mulholland’s possession.—Frontier Guardian (ed. by Orson Hyde), Jan. 23.

8

1853.  [The Magicians of Egypt] produced a very good bogus, but it was not quite the true coin.—Brigham Young, Aug. 14: ‘Journal of Discourses,’ i. 270.

9

a. 1856.  Crocodile tears are bogus, but accompanied in the end with genuine salt-drops, to which the world pays as little heed as to the perspiration upon a pitcher of ice-water.—Dow, Jun., ‘Patent Sermons,’ iv. 216.

10

1857.  I must have paid you for my supper with a bogus half-dollar.—Herald of Freedom (Lawrence, Kas.), Aug. 22.

11

1863.  Throughout the entire State [Texas] the spirit of lawlessness and insurrection existed long before the vote on secession, ordered by the “bogus” Convention, had been taken.—O. J. Victor, ‘The History … of the Southern Rebellion,’ ii. 32.

12

1867.  There is a bogus assessor in town, and we are going to hang him.—A. D. Richardson, ‘Beyond the Mississippi,’ p. 49.

13

1867.  “MORE BOGUS.—Joe Logan was arrested a week ago by ‘X,’ for manufacturing bogus gold dust.”—Helena (Mont.) paper, cited in A. K. McClure’s ‘Rocky Mountains,’ p. 378 (Phila.).

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