Not licit
Else clues• 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)