i-adjective
no problem; it's fine; don't worry
Archaic or literary expression meaning 'there is no difficulty' or 'it doesn't matter'. Often used in historical or dramatic contexts, and can sound old-fashioned or formal in modern speech.
「苦しゅうない、好きなようにせよ」と殿様は言った。
"It's fine, do as you like," said the lord.
この程度の傷なら苦しゅうない。
A wound of this degree is no problem.