noun, noun which may take the genitive case particle 'no'
Describes a blissful, half-dreaming mental state, often from happiness, love, or intoxication. Used as a noun or with の to modify nouns.
彼女と一緒にいると、夢心地になる。
When I'm with her, I feel like I'm in a dream.
夢心地
I spent the day in a dreamy state of mind.