Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “unheard-of”

See all translations

unheard-of

adjective uk   /ʌnˈhɜːd.ɒv/ us    /-ˈhɝːd.ɑːv/
surprising or shocking because not known about or previously experienced: It was unheard-of for an unmarried couple to live together.
Translations of “unheard-of”
in Chinese (Traditional) 令人震驚的, 前所未聞的,空前的…
in Chinese (Simplified) 令人震惊的, 前所未闻的,空前的…
(Definition of unheard-of from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of unheard-of?
Add Cambridge dictionaries to your browser to your website

Definitions of “unheard-of” in other dictionaries

Word of the Day

glacial

made or left by a glacier

Word of the Day

Let’s celebrate! (words and phrases for parties)

by Kate Woodford,
December 17, 2014
​​​ With Christmas and New Year almost upon us, we thought it a good time to look at the language of parties and celebrations. First, let’s start with the word ‘party’ itself. To have or throw a party or, less commonly, to give a party is to arrange a party: We’re having a

Read More 

cinderella surgery noun

December 15, 2014
cosmetic surgery to the feet We have all heard of people having nose jobs, boob jobs and liposuction – but now a new trend growing in popularity in America: Cinderella surgery.

Read More