Pronunciation: (flī'bī-nīt"), [key]
1. not reliable or responsible, esp. in business; untrustworthy: a fly-by-night operation.
2. not lasting; brief; impermanent; transitory: a fly-by-night theater.
1. a person or thing that is unreliable, esp. a debtor who evades or attempts to evade creditors.
2. a person regarded as a poor credit risk.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.