(ざんまい)

ざんまい
suffix
absorbed in; indulging in
1. -absorption; -indulgence
A suffix attached to nouns indicating being completely absorbed in or indulging in that activity. Often used for leisure or enjoyable activities.
New Year's was a time of total indulgence.
I spend every day absorbed in video games.

三昧(ざんまい) comes from Buddhist terminology (三昧(さんまい)) meaning deep meditation.

COMMON COMBINATIONS:

USAGE NOTE:
This suffix typically implies enjoyment and satisfaction in the activity, though it can sometimes carry a slightly self-indulgent or excessive nuance.