boundless
Americanadjective
adjective
Other Word Forms
Etymology
Origin of boundless
Explanation
Something that's boundless has no limits or restrictions. Your dog's boundless energy might leave you exhausted, since it never seems to end. The adjective boundless is often used to mean "huge" or "immense." Your local Christmas tree farm, for example, might seem boundless as you walk through the rows of evergreens that stretch as far as you can see. If your little brother has boundless enthusiasm for superheros, he's probably capable of talking about Batman for hours. The noun bound originally meant "limit," from the Old French word bonde, "limit or boundary," so boundless means "without limit."
Vocabulary lists containing boundless
Power Suffix: -less
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The Call of the Wild
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Prince (1958-2016) Tribute List
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
That was a miscalculation, born of limitless arrogance and boundless stupidity.
From Salon ● Aug. 31, 2026
The voice, the songs, the smile, the wigs, the wit, the boundless energy, varied performances, unflagging generosity and palpable spirit of kindness.
From Los Angeles Times ● Aug. 26, 2026
Five-year-old Nala was "full of curiosity, laughter, and boundless energy".
From BBC ● Jul. 13, 2026
Touring a young United States in 1831, Alexis de Tocqueville marveled at Americans’ boundless appetite for commerce, industry and wealth.
From The Wall Street Journal ● Jul. 4, 2026
She looked at it as though it contained boundless possibilities.
From "Krik? Krak!" by Edwidge Danticat
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
