/mahng kay"/ ; Fr. /mahonn kay"/ , adj.
having failed, missed, or fallen short, esp. because of circumstances or a defect of character; unsuccessful; unfulfilled or frustrated (usually used postpositively): a poet manqué who never produced a single book of verse.
[ 1770-80; manquer to lack, be short of mancare, deriv. of manco lacking, defective mancus (L: feeble, lit., maimed, having a useless hand, prob. deriv. of manus hand) ]