What is the opposite of stand up?
The opposite of stand up is sit down
What's the opposite of boy?
The opposite of boy is girl
What's the opposite of awake?
The opposite of awake is alseep
What's the opposite of fast?
The opposite of fast is slow
What's the opposite of big?
The opposite of big is small
What's the opposite of hot?
The opposite of hot is cold
What's the opposite of day?
The opposite of day is night
What's the opposite of happy?
The opposite of happy is sad