boundless

adjective

bound·​less ˈbau̇n(d)-ləs 

: having no boundaries : vast

boundless possibilities

boundlessly adverb

boundlessness noun

Synonyms

• bottomless
• endless
• fathomless
• horizonless
• illimitable
• immeasurable
• immensurable
• indefinite
• infinite
• limitless
• measureless
• unbounded
• unfathomable
• unlimited

Examples of boundless in a Sentence

We were filled with boundless joy.

Her love for her family was boundless.

Recent Examples on the Web

And this seemingly boundless well of energy extends to his workload. —Michael Cuby, Them, 29 Oct. 2024

Tove Jansson: Painter Jansson’s public murals offer a glimpse into the boundless depths of her rich imagination. —Chadd Scott, Forbes, 28 Oct. 2024

Playing pretend for so long gave him an edge of boundless confidence that consumed the screen in the first trailer for Waltzing With Brando. —Larisha Paul, Rolling Stone, 5 Nov. 2024

When transiting this Mutable sign, the messenger planet is ready to come up for air (especially after penetrating through the surface in Scorpio) and jump headfirst into a world of new ideas and boundless possibilities. —Valerie Mesa, People.com, 2 Nov. 2024

Word History

First Known Use

1599, in the meaning defined above

Kids Definition

boundless

adjective

bound·​less ˈbau̇nd-ləs 

: having no boundaries or limits : vast

the boundless sky

boundlessly adverb

boundlessness noun