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[uhn-boun-did] /ʌnˈbaʊn dɪd/
having no limits, borders, or bounds.
unrestrained; uncontrolled:
unbounded enthusiasm.
Origin of unbounded
First recorded in 1590-1600; un-1 + bound3 + -ed3
Related forms
unboundedly, adverb
unboundedness, noun
Can be confused
unbound, unbounded.
1. limitless, immense, vast, infinite, immeasurable. 2. unconfined, immoderate. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for unbounded
Historical Examples
  • They owed me every thing, like you—their gratitude was unbounded, even as yours.

  • With him, to try was to succeed, according to Pepsy's simple and unbounded faith.

    Pee-wee Harris Percy Keese Fitzhugh
  • The influence he possessed over the Indians was said to be unbounded.

  • Let the choicest dainties be heaped together in unbounded profusion.

    Imogen William Godwin
  • The consequence of his courtesy and the reward of his taste was unbounded favour.

    Vivian Grey Earl of Beaconsfield, Benjamin Disraeli
  • Vague, indistinct to ourselves, unbounded by hope or remembrance.

    Poems William D. Howells
  • But as his charity was unbounded, so were his zeal and courage great.

  • His popularity with the people was unbounded, but in the midst of it all he begged to be removed to London.

    The Eternal City Hall Caine
  • Your father was my best friend, perhaps, and my gratitude to him is unbounded, as I hope you know.

    The Snare Rafael Sabatini
  • This was the unbounded power of eloquence—of words—of burning noble words.

    Heart of Darkness Joseph Conrad
British Dictionary definitions for unbounded


having no boundaries or limits
Derived Forms
unboundedly, adverb
unboundedness, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for unbounded

1590s, "not limited in extent," from un- (1) "not" + past participle of bound (v.1). Sense of "generous, profuse, liberal" is recorded from 1704.

Online Etymology Dictionary, © 2010 Douglas Harper
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