unbounded

adjective

un·​bound·​ed ˌən-ˈbau̇n-dəd 

1

: having no limit

unbounded enthusiasm/joy

2

: unrestrained, uncontrolled

unboundedness noun

Synonyms of unbounded

• infinite
• endless

Examples of unbounded in a Sentence

the unbounded enthusiasm shown by the new club members

unbounded terror that was caused by the simultaneous detonation of seven car bombs around the city

Recent Examples on the Web

As the visionary figure, Bambaataa brought the sampling ethos to the music as well as an Afrocentric philosophy, a way of living unbounded by the earthly confines of whatever America had been or would become. —Doreen St. Félix, New Yorker, 25 Apr. 2026

After all, Wilson’s admiration for his real-life blues singer, determined to exploit every second of her brief window of power over the inept white establishment, was unbounded. —Chris Jones, Chicago Tribune, 7 Apr. 2026

Consider this evilmeister’s brazen acts of treason and revenge, unbounded deceit, swinish immorality and negative role modeling. —Voice Of The People, New York Daily News, 5 Apr. 2026

Peter’s confidence in himself was unbounded. —Literary Hub, 25 Mar. 2026

Word History

First Known Use

1565, in the meaning defined at sense 1

Rhymes for unbounded

• abounded
• astounded
• compounded
• confounded
• expounded
• foregrounded
• impounded
• propounded
• rebounded
• resounded
• subrounded
• surrounded

Kids Definition

unbounded

adjective

un·​bound·​ed ˌən-ˈbau̇n-dəd 

: having no bounds or limits

unbounded space

unbounded enthusiasm