Source : Webster's Revised Unabridged Dictionary (1913)

Deuced \Deu"ced\, a.
   Devilish; excessive; extreme. [Low] -- {Deu"ced*ly}, adv.

Source : WordNet®

deuced
     adj : expletives used informally as intensifiers; "he's a blasted
           idiot"; "it's a blamed shame"; "a blame cold winter";
           "not a blessed dime"; "I'll be damned (or blessed or
           darned or goddamned) if I'll do any such thing"; "he's
           a damn (or goddam or goddamned) fool"; "a deuced
           idiot"; "tired or his everlasting whimpering"; "an
           infernal nuisance" [syn: {blasted}, {blame}, {blamed},
           {blessed}, {damn}, {damned}, {darned}, {everlasting}, {goddam},
            {goddamn}, {goddamned}, {infernal}]