Source : Webster's Revised Unabridged Dictionary (1913)

Washy \Wash"y\, a. [From {Wash}.]
   1. Watery; damp; soft. ``Washy ooze.'' --Milton.

   2. Lacking substance or strength; weak; thin; dilute; feeble;
      as, washy tea; washy resolutions.

            A polish . . . not over thin and washy. --Sir H.
                                                  Wotton.

   3. Not firm or hardy; liable to sweat profusely with labor;
      as, a washy horse. [Local, U. S.]

Source : WordNet®

washy
     adj 1: lacking strength or vigor; "a washy handshake"; "washy
            prose"
     2: overly diluted; thin and insipid; "washy coffee"; "watery
        milk"; "weak tea" [syn: {watery}, {weak}]
     3: having lost freshness or brilliance of color; "sun-bleached
        deck chairs"; "faded jeans"; "a very pale washed-out
        blue"; "washy colors" [syn: {bleached}, {faded}, {washed-out}]
     [also: {washiest}, {washier}]