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.

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

"What has happened is quite unprecedented," says Dwaipayan Bhattacharyya, a political scientist.

From BBC • Jun. 8, 2026

The tensions between the U.S. and Israel are becoming a defining characteristic of the current phase of the war, much as unprecedented close cooperation between the two allies marked its beginning.

From The Wall Street Journal • Jun. 8, 2026

One hundred thirty-five million people, an audience of unprecedented size, tuned in to watch the spectacle as it unfolded on live television.

From "Hidden Figures" by Margot Lee Shetterly

Vocabulary lists containing unprecedented

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