Synonyms of boundless

boundless

adjective

ˈbau̇n(d)-ləs 

as in infinite

being or seeming to be without limits

her boundless energy and enthusiasm make her a natural for the cheerleading squad

Synonyms & Similar Words

• infinite
• endless
• limitless
• vast
• unlimited
• immeasurable
• measureless
• fathomless
• illimitable
• unbounded
• unfathomable
• immense
• bottomless
• horizonless
• indefinite
• extensive
• inexhaustible
• innumerable
• immensurable
• countless
• incalculable
• unmeasured
• inestimable
• exhaustless
• abysmal
• incomputable
• far-flung

Antonyms & Near Antonyms

• limited
• finite
• confined
• definite
• restricted
• bounded
• circumscribed
• measurable
• shallow
• superficial
• fathomable
• depthless

Example Sentences

Recent Examples of boundless

But the boundless praise for Smith is absolutely warranted based on his first two seasons at Ohio State. — Dane Brugler, New York Times, 26 Aug. 2026

But Brooks’ boundless enthusiasm – passion that’s too big for his body to contain – outshines all of that. — Heather Bushman, USA Today, 21 Aug. 2026

Proponents who are pushing for online casinos in Maryland promise boundless tax revenue with minimal downsides, selectively ignoring who disproportionately pays the price of legalization. — Brianne Doura-Schawohl, Baltimore Sun, 19 Aug. 2026

The live stream promises boundless access and constant visibility, collapsing the boundary between the real and the performed, the private and the public, until living a life and broadcasting one become virtually indistinguishable. — Brady Brickner-Wood, New Yorker, 12 Aug. 2026