ILLEGAL

Not licit

• Adjective for a speak-easy

• Against the law

• Against the rules

• Banned

• Bootleg

• Criminal

• Felonious

• Forbidden by statute

• Kind of alien

• Law-breaking

• Like a spitball

• Like contraband

• Like driving while intoxicated

• Like icing

• Like insider trading

• Like some aliens

• More than frowned upon

• Neither immoral nor fattening?

• Not according to Hoyle

• Not kosher

• Not to be done

• One caught by border patrol

• Pretty intense way to refer to an undocumented worker, when you think about it

• Prohibited

• Some will, e.g., allow contraband (7)