• synonyms


  1. not paralleled; unequaled or unmatched; peerless; unprecedented: unparalleled athletic ability.
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Also especially British, un·par·al·lelled.

Origin of unparalleled

First recorded in 1585–95; un-1 + parallel + -ed2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for unparallelled

Historical Examples

  • Will Mr. Lincoln realize the grandeur of this unparallelled trust?

    Diary from November 12, 1862, to October 18, 1863

    Adam Gurowski

  • The grand east window is of unparallelled beauty and elegance.

  • This unparallelled Woman is in the 35th year of her age, and only 18 pounds weight.

  • The Old Jersey had become notorious in consequence of the unparallelled mortality on board her.

  • What numberless sites of unparallelled interest are hence visible to the newly arrived and insatiable stranger!

British Dictionary definitions for unparallelled


  1. unmatched; unequalled
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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

Word Origin and History for unparallelled



1590s, from un- (1) "not" + past participle of parallel. Unparallel as an adjective is recorded from 1650s.

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Online Etymology Dictionary, © 2010 Douglas Harper