adjective

unprecedented

uhn-PREH-sih-dehn-tihd

adjective

Never having happened or been seen before.

"The storm caused unprecedented flooding across the region."

"The company reported unprecedented growth last quarter."

How to Use Unprecedented

Learner’s notes

In plain EnglishSo new or extreme that nothing like it has happened before.

Common pairings

unprecedented growth unprecedented times unprecedented scale

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Can you complete this real example?

The storm caused _____ flooding across the region.

From un- + precedent + -ed.

vented dented scented talented demented invented oriented lamented patented cemented fermented contented