What do you call someone that thinks they know everything

If you think that you know it all.If you know it all, what is there left to learn?.One can have all the knowledge that the world has to offer, but no common sense to be able to use that knowledge in.Pretentious is more someone who is trying to impress rather than someone who sincerely believes they know it all.1) use gentle confrontation to tel lthem the truth about the consequences of their negative behavior 2) actively look for and notice what this problem person is doing right, and give them credit where credit is due.

If someone only 'thinks' that they know everything, but they truly do not, then they are.What do you call somebody who thinks they know everything?. a woman !The word itself is not to be found in common online english dictionaries, the oed, dictionaries of obscure words, or dictionaries of neologisms.It is often the best way for them to feel connected to others, perhaps because it provides a sense of energy.They have an answer for everything.