Meaning

4 senses
  1. A creature which flies at night; a nocturnal flier or traveler.

  2. (attributive, often)One who departs or flees at night in order to avoid creditors, law enforcement etc.

    Do not give your credit card number to that fly-by-night operation.

    a debtor who flees to avoid paying

  3. (derogatory, idiomatic)A person or business that appears and/or disappears rapidly, appearing untrustworthy, or giving an impression of transience.

  4. (derogatory, idiomatic)A traveling businessman or tradesman.

Forms

plural: fly-by-nights
Singularfly-by-night
Pluralfly-by-nights

regular

Synonyms

1 synonyms

See also

neighbours in the dictionary
fly-by-night — meaning, examples, forms, synonyms | Krumeto