325 Another Word for Unheard-of? - Unheard-of Synonyms & Antonyms

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Meaning of unheard-of

The primary meaning of "unheard-of" refers to something that is unprecedented, unusual, or exceptional.

Etymology of unheard-of

The word "unheard-of" has its roots in Old English, with "un-" meaning "not" and "heard" meaning "known" or "familiar".
The phrase "unheard-of" originated in the 15th century, initially used to describe something that was unknown or unfamiliar.
Over time, the phrase evolved to convey a sense of something being exceptional, unusual, or unprecedented.

Synonyms

extraordinary unprecedented unusual remarkable exceptional unique astonishing astounding surprising shocking unprecedented unheard unfamiliar unexampled unparalleled unmatched unequaled unknown inconceivable unimaginable unthinkable implausible incredible unbelievable unlikely implausible fantastical extraordinary preposterous absurd ridiculous outrageous unprecedented anomalous aberrant irregular uncommon rare unusual singular exceptional outstanding notable noteworthy striking impressive astonishing astounding amazing marvelous wonderful sensational breathtaking staggering shocking unprecedented extraordinary unusual exceptional unique remarkable outstanding notable extraordinary unprecedented unusual exceptional outstanding notable remarkable astonishing astounding surprising shocking unprecedented unheard unfamiliar unexampled unparalleled unmatched unequaled unknown inconceivable unimaginable unthinkable implausible incredible unbelievable unlikely extraordinary unprecedented unusual exceptional unique remarkable outstanding notable extraordinary unprecedented unusual exceptional unique remarkable outstanding notable breathtaking staggering shocking unprecedented extraordinary unprecedented unusual exceptional unique remarkable outstanding notable extraordinary unprecedented unusual exceptional unique remarkable outstanding notable extraordinary unprecedented unusual exceptional unique remarkable outstanding notable astonishing astounding surprising shocking unprecedented unheard unfamiliar unexampled unparalleled unmatched unequaled unknown inconceivable unimaginable unthinkable implausible incredible unbelievable unlikely

Definitions

Used to describe something that is unprecedented, unusual, or exceptional.
* Used to describe something that is shocking, surprising, or astonishing.

Usage Examples

The new smartphone features an unheard-of level of artificial intelligence.
* The athlete's unheard-of speed and agility made her a standout in the competition.
* The company's unheard-of success in the market was attributed to its innovative approach.

Antonyms

ordinary normal usual common familiar expected predictable typical mundane routine everyday ordinary unremarkable unexceptional usual customary traditional conventional standard average mediocre uninspired unoriginal dull bland mundane usual ordinary commonplace trite hackneyed clichéd overused tired stale ordinary usual unremarkable unexceptional familiar expected predictable typical mundane routine everyday common ordinary normal usual familiar expected predictable typical mundane routine everyday ordinary unremarkable unexceptional usual customary traditional conventional standard average mediocre uninspired unoriginal dull bland mundane usual ordinary commonplace trite hackneyed clichéd overused tired stale