いかんせん
Meanings
Adverb
1. to one's regret; regrettably; unfortunately (Usually kana)
Expression
2. what can be done about ...; ... cannot be helped (Usually kana, Formal, as 〜をいかんせん)
Other spellings
如何せん
Kanji in other spellings
Pitch accent
いかんせん
いかんせん