1) Brief; unreliable 2) Irresponsible one 3) Not trustworthy 4) Transitory 5) Transitory; unstable 6) Unreliable, untrustworthy 7) Untrustworthy 1) Brief 2) Exclusively Anglo word 3) Exclusively Saxon word 4) Impermanent 5) Not lasting 6) Word with Anglo-Saxon origins 7) Word of purely Anglo origin 
A large sail used only for sailing downwind, requiring little attention.
A large sail used only for sailing downwind, requiring little attention.
Fly by night is British slang for an untrustworthy person.
A large sail used only for sailing downwind, requiring little attention.
[adj] - of businesses and businessmen 2. [adj] - of an impermanent nature 3. [n] - a debtor who flees to avoid paying
shady adjective of businesses and businessmen of questionable honesty; `a fly-by-night operation`
not reliable or responsible, esp. in business; untrustworthy: a fly-by-night operation. · not lasting; brief; impermanent; transitory: a fly-by-night theater.