'unethical' also found in these entries (note: many are not synonyms or translations):
bucket shop
- dirty pool
- dirty tricks
- ethical investment
- funny business
- hanky-panky
- hustle
- immoral
- kickback
- louse
- lurk
- malpractice
- mess
- misconduct
- pettifog
- pettifogging
- ring
- robber baron
- shyster
- unfair
- watchdog