1. elaborate or extravagant
live a lavish lifestyle
'Lavish' is an adjective used to describe something luxurious, rich or extravagant. "He was astonished at the lavish home his colleague lived in." "This chocolate is made from luxurious cocoa beans and is a lavish and decadent treat." As a verb, it is used to describe the act of giving something in extravagant or generous quantities. "They lavished praise on the pianist after an incredible performance." "The family lavished gratitude on the man who saved their son."