Definitions

unprecedented

[uhn-pres-i-den-tid] / ʌnˈprɛs ɪˌdɛn tɪd /

ADJECTIVE

exceptional, original

Synonyms

STRONGEST

bizarre extraordinary fantastic miraculous new remarkable singular uncommon unheard-of unique unparalleled unrivaled unusual

WEAK

aberrant abnormal anomalous eccentric exotic freakish idiosyncratic marvelous modern newfangled novel odd out-of-the-way outlandish outre outré preternatural prodigious signal sui generis unexampled

Antonyms

STRONGEST

bad common commonplace customary familiar normal ordinary poor regular standard usual

WEAK

known unexceptional unremarkable

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.

Yet the Nuremberg Tribunal is now generally seen as a remarkably fair execution of justice given the unprecedented circumstances, and a foundation for international criminal law.

From Salon • May 18, 2026

The country recorded an unprecedented $1.2 trillion trade surplus last year, with challenges in trade with the United States offset by booming shipments to other markets, including Southeast Asia.

From Barron's • May 18, 2026

Fifa said demand for the tournament has been "unprecedented" and that more than five million tickets have been sold.

From BBC • May 15, 2026

Three people were recently hospitalized after eating poisonous wild mushrooms foraged in California wine country amid an unprecedented outbreak of illness and deaths linked to the practice statewide, health officials in Napa County announced.

From Los Angeles Times • May 15, 2026

Wittingly or unwittingly, they found themselves complicit in the emergence of a penal system unprecedented in world history.

From "The New Jim Crow" by Michelle Alexander

Vocabulary lists containing unprecedented

The SAT: Words to Capture Tone, List 5

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The New SAT: Words to Capture Tone

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Fast Food Nation

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