What is the opposite of sad?
Happy
What is the opposite of happy?
Sad
What is the opposite of big?
Small
What is the opposite of slow?
Fast
What is the opposite of small?
Big
What is the opposite of clean?
Dirty
What is the opposite of good?
Bad
What is the opposite of fast?
Slow
What is the opposite of dirty?
Clean
What is the opposite of bad?
Good
What is the opposite of old?
Young
What is the opposite of young?
Old