Adverb:

असाध्‍यता से, अपूरणीय ढंग से,

irreparably's Usage Examples:

When the service falls behind irreparably, or if the food is not up to his standards, Ramsay shuts down the restaurant mid-service and sends the customers home.

Irreversible Brain Damage: If the brain is continually assaulted with crystal meth, it may eventually become irreparably damaged.

Even the harvesting of the cocoa pods demands prudence as a stray machete chop could damage the delicate tree irreparably.

Tungsten cannot be effectively engraved, and attempting this type of customization can void any sales warranties as well as irreparably damage the ring.

It's best if you can get a stipulation that allows you to return the merchandise if it's irreparably damaged or doesn't fit.