苛立いらだてるいらだてるConjugationMeanings1ichidan verb, transitive verbirritate; exasperateTransitive verb meaning to cause someone to feel annoyed or frustrated.彼かれの無む責せき任にんな態たい度どが私わたしを苛立いらだてる。His irresponsible attitude irritates me.その騒そう音おんは本ほん当とうに人ひとを苛立