Source : Webster's Revised Unabridged Dictionary (1913)

Uppish \Up"pish\, a. [From {Up}.]
   Proud; arrogant; assuming; putting on airs of superiority.
   [Colloq.] --T. Brown. -- {Up"pish*ly}, adv. [Colloq.] --
   {Up"pish*ness}, n. [Colloq.]

Source : WordNet®

uppish
     adj : used colloquially of one who is overly conceited or
           arrogant; "a snotty little scion of a degenerate
           family"-Laurent Le Sage; "they're snobs--stuck-up and
           uppity and persnickety" [syn: {bigheaded}, {persnickety},
            {snooty}, {snot-nosed}, {snotty}, {stuck-up}, {too big
           for one's breeches}]