What is the dog like?
It is helpful.
What's the opposite of friendly?
unfriendly
What's the opposite of outgoing?
shy
What is he like?
clever/smart/intelligent
What are they like?
They are hard-working.
What's the opposite of unfriendly?
friendly
What is he like?
He is bossy.
The person who always tells jokes.
This person is funny.
This person can wait for a long time.
patient
What is it like?
happy/joyful/cheerful