1. the quality of being very generous in giving or spending money, time, or effort
2. the quality of being elaborate, luxurious, or produced in great abundance

Examples

• The lavishness of the wedding reception impressed all the guests.
• Her lavishness with compliments made everyone feel appreciated.
• The hotel’s lavishness was evident in its marble floors and crystal chandeliers.
• Critics questioned the lavishness of the government’s spending on the project.
• The garden’s lavishness included rare flowers from around the world.
• His lavishness in tipping servers was well known at the restaurant.