| IR | the state of being irrational |
|---|---|
| IR | in an irrational manner |
| IR | the main river of Myanmar rising in the north and flowing south through the length of Burma to empty into the Andaman Sea |
| IR | the main river of Myanmar rising in the north and flowing south through the length of Burma to empty into the Andaman Sea |
| IR | the state of being insubstantial or imaginary |
| IR | insusceptible of reform |
| IR | impossible to reconcile |
| IR | incapable of being recovered or regained |
| IR | (of paper money) not convertible into coin at the pleasure of the holder |
| IR | insusceptible of reform |
| IR | a region that is related ethnically or historically to one country but is controlled politically by another |
| IR | the doctrine that irredenta should be controlled by the country to which they are ethnically or historically related |