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.

“Gov. Newsom has made an unprecedented commitment to safe drinking water for California’s most disadvantaged communities and it’s working,” spokesperson Anthony Martinez said in an email.

From Los Angeles Times • Jun. 10, 2026

In the meantime, he explained, prices will likely remain elevated, but not in an unprecedented way.

From Salon • Jun. 10, 2026

Case numbers have shot up at an unprecedented rate.

From Slate • Jun. 9, 2026

Pope Leo XIV will give an unprecedented address on Monday to the Spanish parliament and is set to meet with victims of sexual abuse by clergy.

From Barron's • Jun. 8, 2026

But Hitler’s superior Aryan-race theories were shattered by a young African-American college student named Jesse Owens, who won an unprecedented four gold medals in track events.

From "Hitler Youth: Growing Up in Hitler's Shadow" by Susan Campbell Bartoletti

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

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!