Conditions listing medical symptoms: Quadriplegia: The following list of conditions have 'Quadriplegia' or similar listed as a symptom in our database. This computer-generated list may be inaccurate or incomplete. Always seek prompt professional medical advice about the cause of any symptom.
Definition of flyâbyânight. 1  1 : given to making a quick profit usually by shady or irresponsible acts. 2  2 : transitory, passing flyâbyânight fashions.
not reliable or responsible, especially in business; untrustworthy: a fly-by-night operation. 2. not lasting; brief; impermanent; transitory: a fly-by-night theater. noun, Also, fly-by-nighter. 3. a person or thing that is unreliable, especially a debtor who evades or attempts to evade creditors.