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

At its peak, the organization employed nearly 400 patroleos across several firehouses and saved tens of millions of dollars in property over the years, including over a thousand irreplaceable objects from a 1958 fire at the Museum of Modern Art. — Danya Gainor, CNN Money, 11 Sep. 2026

Attempts to route production away from China have merely dispersed Chinese enterprises across a wider array of countries and partners while retaining their irreplaceable role in most supply chains. — Da Wei, Foreign Affairs, 7 Sep. 2026

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

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