irreplaceable

adjective

ir·​re·​place·​able ˌir-i-ˈplā-sə-bəl 

: not replaceable

an irreplaceable antique

irreplaceability

ˌir-i-ˌplā-sə-ˈbi-lə-tē 

noun

irreplaceableness

ˌir-i-ˈplā-sə-bəl-nəs 

noun

irreplaceably

ˌir-i-ˈplā-sə-blē 

adverb

Examples of irreplaceable in a Sentence

Recent Examples on the Web

Dolly Parton was an extraordinary person and an irreplaceable champion of the working class. — Jesse Zanger, CBS News, 25 Aug. 2026

Leaders must confront vast areas of human labor dedicated to repetitive tasks simply because no alternative existed, then separate the functions AI can absorb from those where human judgment remains irreplaceable. — Dave Wessinger, Forbes.com, 21 Aug. 2026

There are a lot of technologies vying for attention today, such as cellphones and gaming and lots of things, but there is something tangible about walking through a Disney park that is irreplaceable. — Todd Martens, Los Angeles Times, 11 Aug. 2026

The residence may be irreplaceable since it was built before modern California Coastal Commission setback regulations, according to representatives of Livel. — David Caraccio, Sacbee.com, 3 Aug. 2026

Word History

First Known Use

1807, in the meaning defined above

Rhymes for irreplaceable

• erasable
• replaceable
• untraceable
• traceable

Kids Definition

irreplaceable

adjective

ir·​re·​place·​able ˌir-i-ˈplā-sə-bəl 

: not replaceable

a museum full of irreplaceable works of art