subs. (colloquial).—An oath; a CUSS (q.v.): also SWEAR-WORD. Also (colloquial) TO SWEAR AT (said of anything incongruous): e.g., ‘His frock coat SWORE at his bowler-hat; TO SWEAR LIKE A LORD (TROOPER, etc.) = to volley oaths, TO MAKE THE AIR BLUE (q.v.); TO SWEAR THROUGH A NINE INCH PLANK (nautical) = to back up any lie (C. RUSSELL: ‘a favourite expression of Lord Nelson when referring to American skippers’).

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  1531.  T. ELYOT, The Book named the Governour (1834), 87. He that sweareth deep, SWEARETH LIKE A LORD.

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  1651.  CARTWRIGHT, The Ordinary [DODSLEY, Old Plays (REED), x. 295].

        Gull’d by my SWEAR, by my SWEAR, gull’d.
    Ibid., iv. 4.
I lose the taking, by my SWEAR, of taking
As much, whiles that I am receiving this.

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  1672.  RAY, Proverbs, ‘Proverbial Phrases.’ ‘He’ll SWEAR through a nine inch board, a dagger out of sheath, the devil out of hell, ’till he’s black in the face.’

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  1756.  FOOTE, The Englishman returned from Paris. [To] SWEAR LIKE A TROOPER.

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  1887.  St. James’s Gazette, 4 June. It is a dreadful thing to say, but I felt that if I didn’t utter a big SWEAR at that moment something would happen.

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  1888.  Electrical Review, 3 March, 11. There has been in the past an immense quantity of scolding, occasionally a SWEAR WORD.

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  1889.  C. D. WARNER, Comments on Kentucky, in Harper’s Magazine, lxxviii. Jan., 258. What is new in it … may ‘SWEAR’ AT the old furniture and the delightful old portraits.

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