苛立ち (いらだち, iradachi) Japanese meaning: irritation | KotomoraI felt irritation at his attitude.
I couldn't suppress my frustration.
Written forms
苛立ちUsage60%
いらだちUsage34%
Kana spelling, common in casual writing.
いら立ちUsage7%
search-only kanji form
Search-only kanji form; not a standard spelling.
Etymology
Noun form of the verb 苛立つ (いらだつ), from 苛 (いら, 'thorn, irritation') + 立つ (たつ, 'to stand, rise').