Synonyms

unbounded

American

[uhn-boun-did] / ʌnˈbaʊn dɪd /

adjective

having no limits, borders, or bounds.

Synonyms:

immeasurable, infinite, vast, immense, limitless
unrestrained; uncontrolled.

unbounded enthusiasm.

Synonyms:

immoderate, unconfined

unbounded British

/ ʌnˈbaʊndɪd /

adjective

having no boundaries or limits

"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

Other Word Forms

Derived Forms

Etymology

Origin of unbounded

First recorded in 1590–1600; un- ¹ + bound ³ + -ed ³

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.

For nine of them, Detective Joshua Hylton obtained an additional hour of unbounded location data.

From The Wall Street Journal • Apr. 26, 2026

“Not an unbounded and unlimited entity with high degrees of autonomy – but AI that is carefully calibrated, contextualized, within limits.”

From Barron's • Apr. 4, 2026

I started my search in earnest, unbounded by faith, within a small radius that grew bigger along the way.

From Los Angeles Times • Aug. 22, 2025

In My First Coup d'Etat, Mahama Jr describes himself as "an observant child with an active imagination and an unbounded curiosity".

From BBC • Nov. 19, 2024

Benedetti held that the universe is spherical but that it is surrounded by unbounded empty space.

From "The Invention of Science" by David Wootton

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023