a. slang. [said to be euphemism for hell-fired.] Infernal; hence an intensive. (Chiefly in U.S.)

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1837.  Haliburton, Clockm. (1862), 115. What an all fired scrape he got into.

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1862.  T. Hughes, in Macm. Mag., V. 244/1. [Berksh. peasant says] A went off wi’ th’ most all-fired noise.

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