Adjective: fly-by-night 'flI-bI,nIt
- (of businesses and businessmen) untrustworthy or undependable
"a fly-by-night operation"
- Ephemeral
"the symphony is no fly-by-night venture"
- A debtor who flees to avoid paying
"The landlord discovered his tenant was a fly-by-night when they disappeared without paying rent"
Derived forms: fly-by-nights
See also: impermanent, temporary, untrustworthy, untrusty
Encyclopedia: Fly-by-night