irritability

noun
UK /ˌɪr.ɪ.təˈbɪl.ə.ti/
US /ˌɪr.ə.t̬əˈbɪl.ə.t̬i/

Irritability is when you get grumpy or upset very easily.

After missing his nap, the toddler's irritability made every little thing a battle.


OTHER MEANINGS

2. In biology, the ability of living things to respond to changes around them.

The irritability of the plant's leaves caused them to close when touched.

3. In medicine, an unusual sensitivity or painful reaction of a body part.

The doctor noted irritability in the patient's skin around the wound.

4. A tendency to become angry or annoyed quickly.

His irritability at work worried his friends, who knew he was under a lot of stress.