front-money (noun) front money: advance payment
Sinonime: clear as dishwater, cryptic, doubtful, dubious, enigmatic, enigmatical, equivocal, inconclusive, indefinite, indeterminate, inexplicit, muddy, multivocal, obscure, opaque, polysemous, puzzling, questionable, tenebrous, uncertain, unclear, unintelligible, vague
Antonime: clear,
definite,
explicit,
lucid