Jisho

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Adverb, Noun, Suru verb, Adverb taking the 'to' particle
1. getting nervous; irritationUsually written using kana alone
Other forms
苛苛 【いらいら】刺々 【いらいら】刺刺 【いらいら】イライラ
Notes
刺々: Out-dated kanji. 刺刺: Out-dated kanji.

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