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Synonyms

notoriously

American  
[noh-tawr-ee-uhs-lee, nuh-] / noʊˈtɔr i əs li, nə- /

adverb

  1. in a way that is generally and usually unfavorably known to the wider public or to a particular group.

    Turnout in spring elections is notoriously low.

    Gift cards are a great option for that family member who is notoriously hard to shop for.

Etymology

Origin of notoriously

notorious ( def. ) + -ly

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.

Jane Street, the notoriously secretive quantitative trading firm, committed $6 billion to deploy and scale its AI tools on CoreWeave’s cloud platform, the two companies announced.

From Barron's • Apr. 15, 2026

It is notoriously difficult to sue federal officers under recent Supreme Court precedents.

From Slate • Apr. 15, 2026

Never mind that if he was the David, then the Goliath was the Los Angeles Department of Transportation’s parking division, notoriously difficult to challenge.

From Los Angeles Times • Apr. 13, 2026

Paying Griffin is an enormous commitment for a notoriously stingy franchise that has so often served as a glorified farm club for wealthier opponents.

From The Wall Street Journal • Apr. 9, 2026

Beyond these important, admirable goals, it also had a more immediate purpose: it would undoubtedly reduce the school’s notoriously high failure rate, which had become an embarrassment to the school and to the school board.

From "Friday Night Lights: A Town, A Team, And A Dream" by H.G. Bissinger

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.