manqué

enUK

man·qué

M0087000 (mäN-kā′)adj. Unfulfilled or frustrated in the realization of one's ambitions or capabilities: an artist manqué.
[French, from past participle of manquer, to fail, from Old French, from Old Italian mancare, from manco, lacking, from Latin mancus, maimed, infirm; see man- in Indo-European roots.]

manque

(mɑːŋk) n (Gambling, except Cards) the section on a roulette table which includes the numbers 1 to 18 or a bet placed in this area

manqué

(mɑ̃ke; English ˈmɒŋkeɪ) adj (postpositive) unfulfilled; potential; would-be: the manager is an actor manqué. [C19: literally: having missed]

man•qué

(mɑŋˈkeɪ, mɑ̃-)

adj. unsuccessful; unfulfilled (used postpositively): a poet manqué. [1770–80; < French, past participle of manquer to lack < Italian < Medieval Latin, Late Latin mancus (Latin: feeble, literally, maimed]
Thesaurus
Adj.1.manque - unfulfilled or frustrated in realizing an ambitionwould-beambitious - having a strong desire for success or achievement