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

Montana was irreplaceable and the band wisely called it a day. — George Varga, San Diego Union-Tribune, 8 July 2026

The originals are in museums and deemed too fragile and irreplaceable to risk being launched into space. — Robert Pearlman, ArsTechnica, 6 July 2026

The enduring and irreplaceable value of human lawyers, therefore, lies in their capacity to speak truth to power and uphold legal principles, a moral responsibility that machines cannot assume. — Joseph Andrew, Forbes.com, 2 July 2026

And, yes, Rojas said, the Dodgers do have an irreplaceable player. — Bill Shaikin, Los Angeles Times, 30 June 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