Source : Webster's Revised Unabridged Dictionary (1913)

Limitless \Lim"it*less\, a.
   Having no limits; unbounded; boundless. --Davies (Wit's
   Pilgr.).

Source : WordNet®

limitless
     adj 1: without limits in extent or size or quantity; "immeasurable
            vastness of our solar system" [syn: {illimitable}, {measureless},
             {unmeasured}]
     2: having no limits in range or scope; "to start with a theory
        of unlimited freedom is to end up with unlimited
        despotism"- Philip Rahv; "the limitless reaches of outer
        space" [syn: {unlimited}] [ant: {limited}]
     3: seemingly boundless in amount, number, degree, or especially
        extent; "unbounded enthusiasm"; "children with boundless
        energy"; "a limitless supply of money" [syn: {boundless},
        {unbounded}]