boundless

[bound-lis]

adjective

1. having no bounds; bound; infinite or vast; unlimited.

   His boundless energy amazed his friends.

   Synonyms: illimitable, inexhaustible, unbounded, endless, limitless

boundless

/ ˈbaʊndlɪs /

adjective

1. unlimited; vast

   boundless energy

Other Word Forms

• boundlessly adverb
• boundlessness noun

Word History and Origins

Origin of boundless¹

First recorded in 1585–95; bound ³ + -less

Example Sentences

This is not a hollow slogan but a profound truth, a declaration of our boundless commitment, our unwavering love and our shared hope for all children, for whom we bear an irreplaceable responsibility.

From Salon

“We have repeatedly rejected the majority’s boundless interpretation of the Second Amendment,” Bybee wrote.

From Los Angeles Times

His boundless enthusiasm, physical style and daring athletic catches thrilled fans and showed Polynesian athletes that opportunity and success at a so-called skill position was in their grasp.

From Los Angeles Times

“Anne’s light radiated far beyond those she knew, touching millions across the world. Though she is no longer with us, her warmth, spirit and boundless love remain eternal.”

From Los Angeles Times

Six decades later, though, “Dance to the Music” still communicates a sense of boundless joy — even as it puts across a flicker of doubt about going so nice-and-smiley.

From Los Angeles Times

Related Words

• immeasurable 
• immense 
• incalculable 
• inexhaustible 
• infinite 
• limitless 
• tremendous 
• unending 
• unlimited 
• untold 
• vast