What is another word for know-all?
Pronunciation: [nˈə͡ʊˈɔːl] (IPA) 
A "know-all" is a person who thinks they know everything and is often perceived as annoying or arrogant. There are several synonyms that can be used to describe a know-all, such as a "smarty-pants," a "pompous," "arrogant," "overbearing," "mean," "haughty," and "conceited." Other terms that can be used to describe a know-all include "wise guy," "smart aleck," "brainiac," "intellectual," and "clever clogs." Some people might use less official terms such as "smarty," "brain," or "smartypants." Despite these synonyms being harsh, it is important to note that sometimes individuals with these traits possess a lot of knowledge and insight that can be beneficial in certain settings.
