self-styled 
adjective [attributive]
Using a description or title that one has given oneself: self-styled experts the self-styled President of Bougainville...
- In 23 years as a pro, the self-styled hitman won world titles at six different weights.
- In these organizations, any self-styled expert can sign up to teach a usually expensive course in any subject.
- There's no shortage of self-styled experts full of advice on what these companies must do to better compete.
Synonyms
would-be, self-appointed, so-called, self-titled, professed, self-confessed, confessed, sworn, avowed;
French soi-disant
rare self-named
