noun, na-adjective
free; unfettered; doing as one likes
Describes a state of complete freedom, often with a nuance of self-indulgence or doing exactly as one pleases without restraint. Can be used as a noun or adjectival noun.
休日は自由三昧に過ごしたい。
I want to spend my day off doing whatever I like.
彼は自由三昧な生活を送っている。
He leads an unfettered life.
Compound of 自由 (freedom) and 三昧 (zanmai, from Sanskrit samādhi, originally a Buddhist term for concentration, later extended to mean 'being absorbed in' or 'indulging in').