noun
dreams; visions; phantasms
Literary or poetic word for dreamlike visions, illusions, or fleeting fantasies. Not an everyday word for ordinary dreams (夢 is used instead).
彼の話は幻夢のように現実味がなかった。
His story lacked reality, like a dream.
幻夢の世界に浸る。
I immerse myself in a world of dreams and visions.