Meaning:
Iraira (イライラ) means feeling irritated, frustrated, or annoyed. It’s when something bothers you repeatedly or when you feel impatient.
Example sentences:
電車が遅れてイライラした。
Densha ga okurete iraira shita.
I was irritated because the train was delayed.
仕事が終わらなくてイライラする。
Shigoto ga owaranakute iraira suru.
I’m frustrated because I can’t finish my work.