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]