κατακαυχάομαι/katakauchaomai

This word is an action. It is a verb.

This word can mean to boast or brag.
This word can mean to boast or brag and say that someone else or something else is not as good.
This word can mean to triumph over another person.
This word can mean that something does something that is like a person triumphing over another person.

See: Romans 11:18, James 2:13; 3:14