Source : Webster's Revised Unabridged Dictionary (1913)

Frumpish \Frump"ish\, a.
   1. Cross-tempered; scornful. [Obs.]

   2. Old-fashioned, as a woman's dress.

            Our Bell . . . looked very frumpish.  --Foote.

Source : WordNet®

frumpish
     adj : primly out of date; "nothing so frumpish as last year's
           gambling game" [syn: {dowdy}, {frumpy}]