boundless

[ bound-lis ]
/ ˈbaʊnd lɪs /
See synonyms for: boundless / boundlessly / boundlessness on Thesaurus.com

adjective

having no bounds; infinite or vast; unlimited: His boundless energy amazed his friends.

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Origin of boundless

First recorded in 1585–95; bound3 + -less

OTHER WORDS FROM boundless

bound·less·ly, adverbbound·less·ness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for boundless

British Dictionary definitions for boundless

boundless
/ (ˈbaʊndlɪs) /

adjective

unlimited; vastboundless energy

Derived forms of boundless

boundlessly, adverbboundlessness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012