'Would-be' definitions:

Definition of 'would-be'

(from WordNet)
adjective
Unfulfilled or frustrated in realizing an ambition [syn: manque, would-be(a)]

Definition of 'Would-be'

From: GCIDE
  • Would-be \Would"-be`\, a. Desiring or professing to be; vainly pretending to be; as, a would-be poet. [1913 Webster]