noun, noun which may take the genitive case particle 'no'
trance; ecstasy; self-oblivion
A state of being so absorbed in something that one loses awareness of oneself; often used in literary or psychological contexts.
彼は音楽に忘我の境地で聴き入っていた。
He was listening to the music in a state of trance.
忘我の表情で絵を描き続けた。
She kept painting with an ecstatic expression.