This is the 5682nd most frequent Japanese word.
ぜいたく
Luxury; extravagance.
The word 'ぜいたく' is used to describe the luxurious or extravagant nature of the meal.
これはとてもぜいたくな食事です。
This is a very luxurious meal.
Here, 'ぜいたく' is employed to signify indulgence in luxury or extravagance as a habitual behavior.
ぜいたくをする習慣がある人は、時々簡素な生活を試してみると良いです。
People who have a habit of indulging in luxury should occasionally try a simple lifestyle.
In this context, 'ぜいたく' refers to spending excessively or indulging in luxurious items or experiences while planning a trip.