adjective

• Of a person: having obtained worldly experience, and lacking naiveté; cosmopolitan, worldly-wise.
• Of art or other things: appealing to the tastes of an intellectual or sophisticated (sense 1) person; cerebral; also, cultured, elegant, refined.
• Complicated, especially of complex technology.
• (obsolete)
• Mixed with a foreign or inferior substance; not genuine or pure; adulterated, impure.
• Of a thing: having its meaning changed in a deceptive or misleading way.