adj. (colloquial).—One or two modern usages of THIN verge on the colloquial: e.g., a THIN (= poor) EXCUSE; a THIN (= gutless) PLAY; a THIN (= trashy) NOVEL; TOO THIN (or T. T.) = frivolous, inadequate, insufficient to deceive, etc. Also (proverbial), ‘As THIN as a lath’; ‘As THIN as the last run of shad.’

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  1601.  SHAKESPEARE, Henry VIII., v. 3. 125. You were ever good at sudden commendations … now … they are TOO THIN and bare to hide offences.

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  1734.  POPE, Epistle to Dr. Arbuthnot, 93. Throned in the centre of his THIN designs.

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  1751.  SMOLLETT, Peregrine Pickle, xxvi. This pretext was TOO THIN to impose upon her lover.

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  1763.  FOOTE, The Mayor of Garratt, i. Sneak. You see … I am almost as THIN AS A LATH. Bruin. An absolute skeleton.

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  1889.  Modern Society, 13 July, 852. ‘Christopher’s Honeymoon,’ by M. Malcolm Watson, produced at the Strand, on Wednesday, is not wholly bad, but it is TOO THIN.

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