Your driving habits are somewhat less than professional.
I would like to be a professional soccer player.
He is a professional dragon slayer.
Trust me, I am a professional.
The building worked looked professional.
I only watch professional football, not college football.
Getting this training is conducive for my professional growth.
The meaning of the word is an adjective. It is complementing the man on how well he did his job.
'An important step toward a professional acting career is obtaining an agent' is an example of a sentence with the word agent. The word agent is a noun.
From the start, Michael was unstinting in his professional and personal generosity.
The professional boxer overwhelmed me with his rapid-fire punches.
he was a fine young lad! He capered Like a professional.
Produced audio dramatist of both fan and professional productions.
I am a real estate professional. He is a medical professional. She is a professional athlete.
Yes, the word 'professional' is both a noun and an adjective.The noun 'professional' is a word for someone who earns a living in a given occupation; a word for a skilled practitioner or an expert; a word for a person.
"Who is the person who conducts the show?"
The swiftness of the horse was very unsually. The young fighter fought with the swiftness of a professional fighter.