bludgeoner
blue
blue baby
blue blood
blue-blood
blue-blooded
Blue Book
blue-book
blue cheese
Blue chip
blue-chip
Blue-chip stock
blue-collar
Blue-collar workers
blue devils
blue disease
blue (electron) gun
blue ensign
blue fear
blue funk
blue jeans
blue murder
blue-pencil
blue peter
blue phosphor
blue primary
blue print
blue ribbon
blue-ribbon
blue ruin