unprecedented
un-PRES-i-den-tid/ʌnˈpɹɛsɪdɛntɪd/AUSun-PREE-suh-den-tuhd/ʌnˈpɹiːsədɛntəd/
- 1Never seen or done before in all of history.
Like something happening for the very first time ever.
The storm caused unprecedented damage to the small town.
Online sales hit an unprecedented high last December.
Similarunparalleled, unheard-of, unmatched, extraordinary, unequaled
Use it in a sentence
Write your own sentence with unprecedented, and AI will tell you whether it fits and which meaning you used.
Origin
Made from "un-" (not) plus "precedent" plus "-ed".