unheard-of

[ uhn-hurd-uhv, -ov, -uhv ]

/ ʌnˈhɜrdˌʌv, -ˌɒv, -əv /

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See synonyms for unheard-of on Thesaurus.com

adjective

that was never heard of; unknown: an unheard-of artist.

such as was never known before; unprecedented: an unheard-of salary.

shocking or outrageous: unheard-of conduct.

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Origin of unheard-of

First recorded in 1585–95

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use unheard-of in a sentence

The Dallas Cowboys sell out their state-of-the art football stadium.
Will Texas Stay Texan?|David Fontana|December 29, 2014|DAILY BEAST
We happily hoist our egg nog in the air, embrace each other, and raise our out-of-tune voices in song.
The Most Confusing Christmas Music Lyrics Explained (VIDEO)|Kevin Fallon|December 24, 2014|DAILY BEAST
DISH delivers a one-of-a-kind entertainment experience to every room of your home, wirelessly.
Four TV Shows We Can’t Wait to Return In 2015|DISH|December 22, 2014|DAILY BEAST
After decades of violence, flights to Kisangani are unpredictable and Western tourists are virtually unheard of.
The Congo's Forgotten Colonial Getaway|Nina Strochlic|December 18, 2014|DAILY BEAST

The company recently partnered with Oakley to create a one-of-a-kind single malt Scotch flask.
The Restaurant, Flask, And Photography Worthy of The Macallan Whisky||December 16, 2014|DAILY BEAST
You never know when you are going to stumble upon a jewel in the most out-of-the-way corner.
Music-Study in Germany|Amy Fay
But Lessard's a overbearin' son-of-a-gun all round, and he's always breakin' out in a new place.
Raw Gold|Bertrand W. Sinclair
Mr. Slocum was not educated in a university, and his life has been in by-paths, and out-of-the-way places.
The Book of Anecdotes and Budget of Fun;|Various
The Spanish men-of-war, which were always painted white, had their colour changed to dark grey like the American ships.
The Philippine Islands|John Foreman
Later on the commander of a German man-of-war and his staff were received and fêted by the Captain-General.
The Philippine Islands|John Foreman

British Dictionary definitions for unheard-of

unheard-of

adjective

previously unknownan unheard-of actress

without precedentan unheard-of treatment

highly offensiveunheard-of behaviour

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Idioms and Phrases with unheard-of

unheard of

Very unusual, extraordinary, as in It's unheard of to have all one's money refunded two years after the purchase. This expression alludes to a circumstance so unusual that it has never been heard of. [Late 1500s]

unheard-of

Origin of unheard-of

Words related to unheard-of

How to use unheard-of in a sentence

British Dictionary definitions for unheard-of

Other Idioms and Phrases with unheard-of