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

Between boundless cheers and intermittent boos, historic milestones and horrifying heartbreaks, triumphant summers and torturous falls.

From Los Angeles Times

Irglová exudes a boundless presence in this iteration of the Swell Season.

From Los Angeles Times

From the moment Kirk died, Patel’s approach to the case has been characterized more by his boundless need for attention than by concerns about getting justice for Kirk.

From Salon

The Tate said Picasso "was fascinated by performers and their boundless capacity for transformation, and he approached painting as a dramatic act in itself".

From BBC

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

Related Words

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