What's the opposite of young?
old
What's the opposite of good?
bad
What's the opposite of sad?
happy
What's the opposite of thin?
fat
What's the opposite of short?
long
What's the opposite of weak?
strong
What's the opposite of fast?
slow
What's the opposite of hot?
cold
What's the opposite of big?
small
What's the opposite of short?
tall
What's the opposite of new?
old
What's the opposite of white?
black