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.
Fig. irresponsible; untrustworthy. (Alludes to a person who sneaks away secretly in the night.) The carpenter we hired was a fly-by-night worker who did a very bad job. You shouldn't deal with a fly-by-night merchant.