Source : Webster's Revised Unabridged Dictionary (1913)

Sourish \Sour"ish\, a.
   Somewhat sour; moderately acid; as, sourish fruit; a sourish
   taste.

Source : WordNet®

sourish
     adj : tasting sour like a lemon [syn: {lemony}, {lemonlike}, {tangy},
            {tart}]