soi-di·sant
adjective/ˌswɑː diːˈzɒ̃/
/ˌswɑː diːˈzɑːn/
[only before noun] (from French)- used in front of somebody's description of himself/herself to suggest that you do not agree with that description
自诩的；自称的；自命的 - a soi-disant novelist
自封的小说家
Word OriginFrench, from soi ‘oneself’ + disant ‘saying’. - a soi-disant novelist