Choose the perfect synonym or antonym for the word Something that has never happened or been done before.
Unprecedented
/ʌnˈpresədentəd/Synonyms:
Antonyms:
This word has no antonymsExamples:
Now all things will be new, unprecedented, inconceivable."The recent heatwave was completely unprecedented.Her reaction to the news was totally unprecedented.
Etymology:
The word unprecedented is formed by adding the prefix un- meaning not to the word precedent, which derives from the Latin praecedentem, the present participle of praecedere meaning to go before.
Usage Statistics:
13 mentions per 1 million words 
Hint: Frequency according to COCA
Moderate
Hint: Frequency according to COCA
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