Source : Webster's Revised Unabridged Dictionary (1913)

Measureless \Meas"ure*less\, a.
   Without measure; unlimited; immeasurable. --
   {Meas"ure*less*ness}, n.

   Syn: Boundless; limitless; endless; unbounded; unlimited;
        vast; immense; infinite; immeasurable.

Source : WordNet®

measureless
     adj : without limits in extent or size or quantity; "immeasurable
           vastness of our solar system" [syn: {illimitable}, {limitless},
            {unmeasured}]