Словарь синонимов английского языка - fly-by-night

(adj) 1. temporaby, short-lived, transitory, fugitive, ephemeral, transient, fleeting, passing, brief, impermanent, here today, gone tomorrow: That fly-by-night operation was in business for less than a month. 2. unreliable, untrustworthy, disreputable, irresponsible, dubious, questionable; chifty, dishonest, sharp, crooked, Colloa shady, Brit cowboy: Guarantees on double glazing are worthless if installed by some fly-by-night company.