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Definitions

unbounded

[uhn-boun-did] / ʌnˈbaʊn dɪd /
ADJECTIVE
utter
Synonyms
WEAK
absolute all-fired all-out arrant blasted blessed blooming complete confounded consummate crashing damned dead downright entire flat flat-out infernal out-and-out outright perfect plain pure sheer stark straight-out thorough thoroughgoing total unequivocal unlimited unmitigated unqualified unrelieved unreserved
ADJECTIVE
endless
Synonyms
WEAK
amaranthine boundless ceaseless constant continual continuous countless deathless enduring eternal everlasting illimitable immeasurable immortal incalculable incessant indeterminate infinite interminable limitless measureless monotonous multitudinous never-ending no end of no end to numberless overlong perpetual self-perpetuating unbroken undivided undying unending unfathomable uninterrupted unlimited unsurpassable untold without end

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.

The only motivating factor, ever, was Mr. Paxton’s unbounded ambition.

From The Wall Street Journal • Mar. 5, 2026

He said Valentino had "widened the boundaries of what is possible, crossing the world with a rare sensibility, a silent rigour and an unbounded love of beauty".

From Barron's • Jan. 19, 2026

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

The hours were long, the work grueling, the hospitality unbounded.

From Los Angeles Times • Jul. 6, 2023

Gilbert copied from Digges his illustration of an unbounded universe.

From "The Invention of Science" by David Wootton

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.