Measureless \Meas"ure*less\, a. Without measure; unlimited; immeasurable. -- {Meas"ure*less*ness}, n. [1913 Webster] Where Alf, the sacred river ran, Through canyons measureless to man, Down to a hidden sea. --Coleridge. [PJC] Syn: Boundless; limitless; endless; unbounded; unlimited; vast; immense; infinite; immeasurable. [1913 Webster]