nightlife

Noun nightlife has 2 senses

• nightlife(n = noun.act) night life - the entertainment available to people seeking nighttime diversion;
is a kind of amusement, entertainment

• nightlife(n = noun.act) night life - the activity of people seeking nighttime diversion (as at the theater, a nightclub, etc.); "a futile search for intelligent nightlife"; "in the summer the nightlife shifts to the dance clubs"
is a kind of diversion, recreation