| IRR | unfriendly behavior that causes anger or resentment |
|---|---|
| IRR | an uncomfortable feeling in some part of the body |
| IRR | a sudden outburst of anger |
| IRR | the neural or electrical arousal of an organ or muscle or gland |
| IRR | the psychological state of being irritated or annoyed |
| IRR | (pathology) abnormal sensitivity to stimulation |
| IRR | (used of physical stimuli) serving to stimulate or excite |
| IRR | intrude on uninvited |
| IRR | enter uninvited |
| IRR | a sudden violent entrance |
| IRR | igneous rock that has solidified beneath the earth's surface |