irreparable

adjective

ir·​rep·​a·​ra·​ble i-ˈre-p(ə-)rə-bəl 

ˌi(r)-

also nonstandard

ˌir-(r)ə-ˈper-ə-bəl 

: not reparable : irremediable

irreparable damage

irreparableness noun

irreparably

i-ˈre-p(ə-)rə-blē 

ˌi(r)-

also nonstandard ˌir-(r)ə-ˈper-ə-blē

adverb

Synonyms of irreparable

• irreversible
• irremediable
• irretrievable

Examples of irreparable in a Sentence

The oil spill did irreparable harm to the bay.

The damage to their relationship was irreparable.

Recent Examples on the Web

Via TikTok, Pattie Gonia claimed the brand claimed irreparable harm to the brand in its filing in federal court in January, but said its logo and font have never been used on any of Pattie Gonia’s e-commerce merchandise. —Rosemary Feitelberg, Footwear News, 28 May 2026

Most definitely not, as the risk is too great, and there could be irreparable harm. —Doug McCauley, Oc Register, 27 May 2026

Call pest control experts to ensure the job is done well before carpenter ants cause irreparable damage. —Nafeesah Allen, Better Homes & Gardens, 19 May 2026

Earlier this year, the Environmental Protection Agency rescinded several longstanding environmental regulations, including gutting the 2009 endangerment finding and rolling back air quality standards for coal-burning power plants, which advocates say will cause irreparable harm. —Stephen Underwood, Hartford Courant, 27 Apr. 2026

Word History

Etymology

Middle English, from Middle French, from Latin irreparabilis, from in- + reparabilis reparable

First Known Use

15th century, in the meaning defined above

Rhymes for irreparable

• separable
• inseparable

Kids Definition

irreparable

adjective

ir·​rep·​a·​ra·​ble (ˈ)ir-ˈ(r)ep-(ə-)rə-bəl 

: not capable of being repaired or regained

an irreparable loss

irreparably

-blē 

adverb

Legal Definition

irreparable

adjective

ir·​rep·​a·​ra·​ble i-ˈre-pə-rə-bəl, -prə-bəl 

: impossible to repair, remedy, or undo

irreparably adverb