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.

Schwarzenegger in an unprecedented, rapid-fire recall of an enormously unpopular governor.

From Los Angeles Times • May 10, 2026

The country is in the midst of an unprecedented oil and gas and mining boom.

From The Wall Street Journal • May 10, 2026

The results confirmed that Britain has now entered an unprecedented era of multi-party politics.

From BBC • May 9, 2026

Resale sites spit out unprecedented numbers for soccer.

From The Wall Street Journal • May 8, 2026

How can one assay the total impact of the unprecedented calamity that gave rise to the world we live in?

From "1491" by Charles C. Mann

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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