居直 いなお
inaoru

Godan Verb (ru)

1. to sit upright; to sit up straight

Intransitive
Godan Verb (ru)

2. to take a defiant attitude; to become aggressive; to take the offensive

Intransitive
かれ きゅう居直 いなおった。
karewa kyūni inaotta.
He changed his attitude suddenly.