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Synonyms

irreplaceable

American  
[ir-i-pley-suh-buhl] / ˌɪr ɪˈpleɪ sə bəl /

adjective

  1. incapable of being replaced; unique.

    an irreplaceable vase.


irreplaceable British  
/ ˌɪrɪˈpleɪsəbəl /

adjective

  1. not able to be replaced

    an irreplaceable antique

"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 Word Forms

Etymology

Origin of irreplaceable

First recorded in 1800–10; ir- 2 + replaceable

Explanation

The adjective irreplaceable describes anything that's one of a kind, particularly if it has deep sentimental value to you, like your grandmother's irreplaceable engagement ring. When you replace something, you get something that's just like it, but if something is irreplaceable, there's just no substitute. It might be a special thing given to you by a loved one, like your great-grandfather's pocket watch or something that can't be made again, like an irreplaceable painting or an old floor made from a species of wood that's no longer harvested.

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Vocabulary lists containing irreplaceable

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

For the country to reach its first World Cup quarterfinal since 2002, Pochettino was going to have to figure out how to replace perhaps the team’s most irreplaceable weapon.

From The Wall Street Journal Jul. 6, 2026

Pulisic is the closest thing to an irreplaceable player the U.S. has, so if he is unable to go, Pochettino has few good options to replace him.

From Los Angeles Times Jun. 18, 2026

She is irreplaceable at Chelsea but Bompastor has already confirmed buying a number nine is high on the club's priority list for the summer.

From BBC May 14, 2026

The companies worth owning are those with contracted demand, captive supply chain, or irreplaceable positions in the physical infrastructure that no amount of software optimization can eliminate.

From MarketWatch May 11, 2026

“The other thing is this bag, which contains a representative sample of two hundred years of Rusty-era visual culture. Priceless and irreplaceable artifacts. So which do you want?”

From "Uglies" by Scott Westerfeld

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