1. fly-by-night - Noun
2. fly-by-night - Adjective Satellite
a debtor who flees to avoid paying
ephemeral
(of businesses and businessmen) untrustworthy or undependable
Source: WordNetfly by night
the symphony is no fly-by-night venture Source: Internet
a fly-by-night operation Source: Internet
The economy abhors a vacuum, however, and since N95s were soon selling for more than 10 times what Baystate Health had been paying, fly-by-night speculators swiftly established a gray market for remaining stocks of respirators. Source: Internet
And these are not sketchy, unknown, fly-by-night colleges. Source: Internet
Every ideology becomes corrupted over a period of time as opportunists, fly-by-night operators, rent seekers try to hijack the agenda, the discourse, and try to milk it for personal gain. Source: Internet
“Unless and until truck driving is recognized as a skilled trade,” says Beckwith, “the fly-by-night trainers will continue to teach as little as possible to applicants who seek the skills they need to drive large tractor-trailers.” Source: Internet