Fly-by-night and Undependable

Fly-by-night

Fly-by-night adjective - (of businesses and businessmen) unscrupulous.

Undependable is a synonym for fly-by-night in unreliable topic. In some cases you can use "Undependable" instead an adjective phrase "Fly-by-night", when it comes to topics like unreliable and shady.

Undependable

Undependable adjective - Not worthy of reliance or trust.

Fly-by-night is a synonym for undependable in irresponsible topic. You can use "Fly-by-night" instead an adjective "Undependable".
Cite this Source
Undependable and Fly-by-night. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/fly-by-night/undependable
Fly-by-night & Undependable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/fly-by-night/undependable>.
Undependable or Fly-by-night. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/fly-by-night/undependable.