Japanese edit

For pronunciation and definitions of イライラ – see the following entry.
いらいら
[adverb] irritatedly
[adverb] having an unpleasant feeling like that caused by thorns pricking one's skin repeatedly
[adverb] describes the intense stimulation caused by light or heat: blistering
[verb] to be irritated
[verb] to have an unpleasant feeling like that caused by thorns pricking one's skin repeatedly
[verb] (of light or heat) to cause intense stimulation: blaze, beat down
[noun] irritation, frustration
Alternative spellings
苛々, 刺々, 苛苛, 刺刺
(This term, イライラ, is the katakana spelling of the above term.)