know-all in a sentence

Definition

Know-all: a person who behaves as if they have extensive knowledge or expertise in all subjects, often to the point of being arrogant or overbearing.

He always acts like a know-all, trying to dominate every conversation.
Her know-all attitude often alienates her from her peers during group projects.
Despite being a know-all, he struggled to admit when he was wrong.
People tend to avoid asking him for advice because of his know-all demeanor.
The know-all in the meeting interrupted everyone with his unsolicited opinions.