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[uhn-boun-did] /ʌnˈbaʊn dɪd/
having no limits, borders, or bounds.
unrestrained; uncontrolled:
unbounded enthusiasm.
Origin of unbounded
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. 2015.
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Examples from the Web for unbounded
Historical Examples
  • The taint of a flippant wit was common to all its members, and their assurance was unbounded.

    The Beth Book Sarah Grand
  • With him, to try was to succeed, according to Pepsy's simple and unbounded faith.

    Pee-wee Harris Percy Keese Fitzhugh
  • It was only when the last victim went down, that the conflagration shot up into the air with most unbounded fury.

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

    Vivian Grey Earl of Beaconsfield, Benjamin Disraeli
  • Processions, orations, music and dancing proclaimed the unbounded joy of the new citizen.

  • Vague, indistinct to ourselves, unbounded by hope or remembrance.

    Poems William D. Howells
  • He had unbounded faith in his invention; his credulity became stronger and stronger as the months rolled by.

    The Goose Man Jacob Wassermann
  • But as his charity was unbounded, so were his zeal and courage great.

  • They know that the inexhaustible store of entertainment nature affords in the contemplation of her works, is unbounded.

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

    The Snare Rafael Sabatini
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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