słownik angielsko - angielski
- behaving in a way that is not fair po angielsku:
1. 
unscrupulous
unscrupulous methods
He's probably the most unscrupulous businessman I've ever met. He'd do anything to make profit
An unscrupulous person would sell even his own mother down the river.
What percentage of all taxi drivers make unscrupulous detours, do you think?