Sentence examples for a bastard from inspiring English sources

The phrase "a bastard" is correct and usable in written English.
It can be used in informal contexts to refer to someone who is perceived as unpleasant or despicable, or in a literal sense to describe someone born out of wedlock.
Example: "He acted like a real bastard when he betrayed his friends."
Alternatives: "a jerk" or "a scoundrel".