unboundless

English

Etymology

From un- +‎ boundless (with un- functioning as an intensifier). Compare unlimitless.

Adjective

unboundless (comparative more unboundless, superlative most unboundless)

1. (obsolete) limitless; unbounded
   • 1845, Jordan Roche Lynch, The Hunterian Oration, page 8:

     He possessed not the unboundless fertility of invention of Priestley […]

   • 1858, A. L. Stimson, History of the Express Companies, page 264:

     [F]rom the unboundless depths of the earth, is heard a roaring and shrieking, as though all the thunders of the universe were combined in that one spot, and the ground vibrates for miles around, as if shaken by an earthquake.