Synonyms of 'self-styled'
so-calledDictionary, would-be, professed
He fiercely criticised self-styled educational experts.
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their professed concern for justice
a quasi-biography or mythobiography
You can use would-be to describe someone who wants or attempts to do a particular thing. For example, a would-be writer is someone who wants to be a writer.
a book that provides encouragement for would-be writers
Thesaurus for self-styled from the Collins English Thesaurus
If you describe someone as a self-styled leader or expert , you disapprove of them because they claim to be a leader or expert but they do not actually have the right to call themselves this.