Synonyms of boundless
: having no boundaries : vast
boundless possibilities
boundlessly adverb
boundlessness noun

Examples of boundless in a Sentence

We were filled with boundless joy. Her love for her family was boundless.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
In the mythology of the steppe, sun, moon, wind, and Tengri—the supreme deity representing the boundless sky—possess as much character and will as living humans and their ancestor spirits. — Yulia Denisyuk, Condé Nast Traveler, 14 Oct. 2026 With God being boundless Love, God’s image in reality is boundlessly loving. — The Christian Science Monitor, Christian Science Monitor, 9 Oct. 2026 Reporters at the press conference marveled at how long the frail Davis went on, sharp and with seemingly boundless vitality. — Rance Collins, Entertainment Weekly, 6 Oct. 2026 The possibility came from the cosmos, which to me represents boundless potential and the large-canvas storytelling of cinema. — Angelique Jackson, Variety, 2 Oct. 2026 See All Example Sentences for boundless

Word History

First Known Use

1599, in the meaning defined above

Time Traveler
The first known use of boundless was in 1599

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Cite this Entry

“Boundless.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/boundless. Accessed 20 Oct. 2026.

Kids Definition

boundless

adjective
: having no boundaries or limits : vast
the boundless sky
boundlessly adverb
boundlessness noun
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