irritation; annoyance; frustration
A feeling of being irritated or annoyed, often due to a specific trigger.
I felt irritation at his attitude.
I couldn't suppress my frustration.
いらだち centers on irritation or annoyance, whereas 焦り is specifically about feeling rushed or anxious over time or progress.
Standard kanji spelling.
Kana spelling, common in casual writing.
Search-only kanji form; not a standard spelling.
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').