Source : Webster's Revised Unabridged Dictionary (1913)

Stilt \Stilt\, v. t. [imp. & p. p. {Stilted}; p. pr. & vb. n.
   {Stilting}.]
   To raise on stilts, or as if on stilts.

Stilted \Stilt"ed\, a.
   Elevated as if on stilts; hence, pompous; bombastic; as, a
   stilted style; stilted declamation.

Source : WordNet®

stilted
     adj : artificially formal; "that artificial humility that her
           husband hated"; "contrived coyness"; "a stilted letter
           of acknowledgment"; "when people try to correct their
           speech they develop a stilted pronunciation" [syn: {artificial},
            {contrived}, {hokey}]