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Definitions

irreplaceable

[ir-i-pley-suh-buhl] / ˌɪr ɪˈpleɪ sə bəl /
ADJECTIVE
irreparable
Synonyms
STRONGEST
irreversible
WEAK
beyond repair broken cureless destroyed hopeless impossible incorrigible incurable irrecoverable irredeemable irremediable irremedial irretrievable ruined uncorrectable unrecoverable
Antonyms
WEAK
fixable mendable repairable reparable

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.

But it is copper, now an irreplaceable metal for the economy, that has become the object of global strategic contention.

From Barron's • Apr. 3, 2026

He is irreplaceable, the drop-off after him alarming.

From BBC • Mar. 31, 2026

Helium plays an irreplaceable part in the manufacturing process for semiconductor chips and Qatar supplies a third of the global output.

From MarketWatch • Mar. 31, 2026

“Beautiful, generous, talented and kind, Rainelle is irreplaceable and will always hold a unique place in our memories.”

From Los Angeles Times • Mar. 18, 2026

If he couldn’t see the target, he was not to release his irreplaceable bomb.

From "Bomb" by Steve Sheinkin