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Synonyms

unparalleled

American  
[uhn-par-uh-leld] / ʌnˈpær əˌlɛld /
especially British, unparallelled

adjective

  1. not paralleled; unequaled or unmatched; peerless; unprecedented.

    unparalleled athletic ability.


unparalleled British  
/ ʌnˈpærəˌlɛld /

adjective

  1. unmatched; unequalled

"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

Etymology

Origin of unparalleled

First recorded in 1585–95; un- 1 + parallel + -ed 2

Explanation

If something's unparalleled, there's never been anything like it — such as a brilliant musical performance or a record-breaking time for an athlete. Remember parallel lines from your old geometry classes — lines running alongside each other always at the same distance that never meet and are essentially identical? Well, that's the idea unparalleled comes from — except the opposite (thus the "un"). Sporting achievements are particularly prone to being described as unparalleled, since athletes are always out to break records.

Keep Reading on Vocabulary.com

Vocabulary lists containing unparalleled

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Realtor.com, a real estate services company, was drawn to the Lone Star State for its unparalleled housing growth and affordable living, according to a news release.

From Los Angeles Times • Apr. 14, 2026

Our critic noted that “One comes away from this engaging show, which is marked by extraordinary loans, with a heightened understanding of just how difficult it is to account for Caravaggio’s unparalleled achievement.”

From The Wall Street Journal • Apr. 12, 2026

His social media messaging "emotionally resonated" with his followers, granting him an "unparalleled organic reach", said Kovesdi, adding many supporters see him as a "hero, tirelessly fighting for them".

From Barron's • Apr. 12, 2026

Dr Vincenzo Cuzzone, head of the intensive care unit at Cardarelli hospital in nearby Campobasso, told Italian media that liver failure occurred first and was followed by multi-organ failure "at truly unparalleled speed".

From BBC • Mar. 31, 2026

They would blow past canal boats with unparalleled speed.

From "A Few Red Drops: The Chicago Race Riot of 1919" by Claire Hartfield