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Showing results for unprecedented. Search instead for unpreceden.
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.

He called the ruling a “necessary and appropriate response to what is clearly an unprecedented situation.”

From Los Angeles Times • Apr. 8, 2026

The unprecedented quantity and detail of battlefield data requires changes to how intelligence is collected, analyzed and disseminated.

From The Wall Street Journal • Apr. 7, 2026

The operator's chief executive, Duncan Mackison, said the firm had been facing an "unprecedented scenario" which had now worsened.

From BBC • Apr. 7, 2026

"This ancient immigrant gives us an unprecedented look at conditions in the early universe," said Ji.

From Science Daily • Apr. 4, 2026

As long as Frederick remained on the throne, Tycho was able to enjoy an unprecedented amount of freedom to run his observatory just as he liked.

From "The Scientists" by John Gribbin