Reference meaning
fly-by-night
Last updated
a debtor who flees to avoid paying
Other meanings
2. adjective
(of businesses and businessmen) unscrupulous
3. adjective
ephemeral
Source and scope
This definition is reproduced from Princeton WordNet 3.0, sense 10098388-n, under the WordNet 3.0 License. It has not yet received VocabularyBase editorial review. Read the source and license details.