Source : Webster's Revised Unabridged Dictionary (1913)

Tipsiness \Tip"si*ness\, n.
   The state of being tipsy.

Source : WordNet®

tipsiness
     n : a temporary state resulting from excessive consumption of
         alcohol [syn: {drunkenness}, {inebriation}, {inebriety},
         {intoxication}] [ant: {soberness}]