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.

While the rally in semiconductor stocks has been almost unprecedented, meaningful supply additions in memory chips are not forecast until the second half of 2027.

From MarketWatch • May 11, 2026

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

From The Wall Street Journal • May 10, 2026

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

From Los Angeles Times • May 10, 2026

Nic Liam told BBC News NI that a united Ireland would be "an unprecedented opportunity for the Irish language and the Gaeltacht".

From BBC • May 8, 2026

They purchased guns, burglar alarms, rifles and guard dogs in unprecedented quantities.

From "Kaffir Boy: An Autobiography" by Mark Mathabane

Vocabulary lists containing unprecedented

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Fast Food Nation

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