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3.
not conforming to approved standards of social or professional behavior; "unethical business practices"
gaYson-

"it is unethical to wear contact lenses for more than two weeks, according to government guide lines"
by madderz25 April 08, 2010
 
1.
unethical - not conforming to approved standards of social or professional behavior;
Subscribe to UnethicalOwnage on youtube or he will be unethical and hit you with a frying pan
by Max Prior November 20, 2008
 
2.
The mixing of cherry coke and cherry pepsi at a convenience store/soda fountain
I can't believe she mixed soda brands, that's so unethical!
by metalgasm July 06, 2014