There is a total of 1452 clues beginning with il
- Illegal "acid"
- Illegal absentee
- Illegal absentee (Abbr)
- Illegal access, in perp-speak
- Illegal accessing, of a sort
- Illegal act
- Illegal act that doesn't hurt anyone
- Illegal act, in slang
- Illegal action shown literally in this answer?
- Illegal activities
- Illegal activity
- Illegal activity admitted by Lance Armstrong in January 2013
- Illegal acts
- Illegal aid
- Illegal aid?
- Illegal alcohol
- Illegal arm, perhaps
- Illegal bank practices
- Illegal bar
- Illegal baseball application
- Illegal baseball pitches
- Illegal bat material
- Illegal block
- Illegal block in football
- Illegal block on the gridiron
- Illegal blow
- Illegal booze
- Illegal border crosser
- Illegal boxing blow
- Illegal burning
- Illegal burning
- Illegal burnings
- Illegal buyer, maybe
- Illegal charades clues
- Illegal cigarettes in most states, slangily
- Illegal cigarettes, slangily
- Illegal claimant to a throne
- Illegal coercion
- Illegal coin
- Illegal combat
- Illegal combat
- Illegal commissions
- Illegal concealment and a hint to ten Across answers in this puzzle
- Illegal consideration
- Illegal contestant
- Illegal contribution
- Illegal cooperation
- Illegal copies
- Illegal copies of goods
- Illegal copying
- Illegal correspondence
- Illegal crop
- Illegal Cubans?
- Illegal daily lottery
- Illegal deal in the music industry
- Illegal dealings
- Illegal diamond delivery
- Illegal diamond pitch
- Illegal distillers
- Illegal drug
- Illegal drug, informally
- Illegal dumping, perhaps
- Illegal enterprise
- Illegal entry
- Illegal entry by a government agent
- Illegal escapade: Slang
- Illegal exercise?
- Illegal factory
- Illegal fight
- Illegal fire
- Illegal firing
- Illegal firing?
- Illegal firings
- Illegal firings?
- Illegal fisherman?
- Illegal flaming
- Illegal football block
- Illegal football tackle
- Illegal football tackle involving grabbing the inside of the shoulder pads from behind or the side
- Illegal forcing
- Illegal formation
- Illegal freeway maneuver
- Illegal freeway maneuvers, for short
- Illegal fruit spray
- Illegal gain
- Illegal gambling, to some
- Illegal grass
- Illegal gridiron block
- Illegal heaters?
- Illegal high check?
- Illegal highway maneuver
- Illegal highway maneuvers
- Illegal hiring practice
- Illegal hit
- Illegal hits
- Illegal hunter
- Illegal hunter or fisherman
- Illegal hunters
- Illegal hunters seek it
- Illegal ignitions