fly-by-night fly-by • fly-catching · · · Info · Definitions · Synonyms · Characters · · fly-by-night · · Text Common · · Latin · · Scripts 12 · · Length 3 · · Syllables Definitions · · · (noun) a debtor who flees to avoid paying. · · Noun Definition 1 (adj) (of businesses and businessmen) unscrupulous. Synonyms: shady. Example: "A shady operation." · · Adjective Definition 1 (adj) ephemeral. Example: "The symphony is no fly-by-night venture." · · Adjective Definition 2 Synonyms · · · shady · · Synonym 1 Characters · · - hyphen-minus U+002D b latin small letter b U+0062 f latin small letter f U+0066 g latin small letter g U+0067 h latin small letter h U+0068 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E t latin small letter t U+0074 y latin small letter y U+0079