When refering to an action that cannot be undone, for example... His decision to drop out of college was irreversable once he had used obscene words to the principal.
The results of World War 2 are irreversible
Chemical reactions can sometimes cause irreversible changes to the structure of molecules, making them difficult to reverse.
the problem i had do had been irreversible <3
It was so hard to get off the nail polish off my nails it seemed irreversible.
Irreversible means something cannot be reversed once it has been done.Asking people on Wiki.answers.com to do your homework can cause irreversible damage to your final grade when you can't do it on your own.
no
reversable
IRREVERSIBLE
irreversible change.
irreversible
irreversible change
Burning something is irreversible.