budding, dormant, latent, manqué, potential, professed, quasi-, self-appointed, self-styled, so-called, soi-disant, undeveloped, unfulfilled, unrealized
English Collins Dictionary - English synonyms & Thesaurus
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. adj ADJ n
...a book that provides encouragement for would-be writers who cannot get their novel into print.
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