An awkward remark.
An awkward dancer, an awkward style.
An awkward tool.
An awkward situation.
An awkward position.
A person who is uncoordinated is an example of a person who is awkward.
If you are with someone and neither of you can think of anything to say, that is an example of an awkward silence.
John was awkward at performing the trick. He'll have to practice to improve.
That was an extremely awkward moment. Everyone was watching.