HyperDic

English > 3 senses of the word fly-by-night:
ADJECTIVEallfly-by-night, shady(of businesses and businessmen) unscrupulous
allfly-by-nightephemeral
NOUNperson fly-by-nighta debtor who flees to avoid paying
English > fly-by-night: 3 senses > adjective 1
Meaning(of businesses and businessmen) unscrupulous.
Synonymshady
Broaderuntrustworthy, untrustynot worthy of trust / trust or belief
Catalandubtós, sospitós, tèrbol
Spanishdudoso, sospechoso, turbio
Nounsfly-by-nighta debtor who flees to avoid paying
English > fly-by-night: 3 senses > adjective 2
MeaningEphemeral.
Example"the symphony is no fly-by-night venture"
Broaderimpermanent, temporarynot permanent
Nounsfly-by-nighta debtor who flees to avoid paying
English > fly-by-night: 3 senses > noun 1, person
MeaningA debtor who flees to avoid paying.
Broaderdebtor, debitorA person who owes a creditor
Adjectivesfly-by-nightephemeral
fly-by-night(of businesses and businessmen) unscrupulous