Definitions

1. noun

A weekday, especially in the evening, when most people are at home and not at work or school.

“She usually spends her weeknights reading books and watching TV.”

2. noun

A meal eaten at home in the evening, especially on a weekday.

“Her weeknight dinner consisted of pasta with tomato sauce and a green salad.”

3. noun

A period of time on a weekday, especially in the evening.

“The weeknight rush hour is much lighter than the morning rush hour.”