Science Fiction Characters

noun a person who is trained to travel in a spacecraft

• The astronaut conducted experiments on the International Space Station.
• Did you see that astronaut floating around in space?
• That astronaut is out of this world!
• She navigated through the crowded room like an astronaut in zero gravity.

noun a proper noun, possibly a name or nickname

• Chell is a talented artist who has exhibited her work in galleries around the world.
• I heard Chell is throwing a party next weekend, are you going?
• Chell is always up for a good time, she's a real party animal.
• Her mind was like a puzzle, complex and intriguing, much like Chell's personality.