Definition
A 'know-all' is essentially the same as a 'know-it-all,' referring to a person who acts as if they possess superior knowledge. They often flaunt their understanding, even if it's superficial. The term carries a negative connotation, implying arrogance and a lack of willingness to learn from others. Imagine that character who dominates every conversation with their 'expertise'. They might offer unwanted advice. It's generally considered an undesirable trait.