The term 'menace to society' can refer to a person or group that poses a threat to the public. The two crossword solutions for this term are 'FELON' and 'public enemy'. A FELON is a person who has been convicted of a serious crime, such as murder, rape, or robbery. A public enemy is someone who is seen as a threat to the public, often due to their criminal activities. Both terms refer to people who have committed serious crimes and are seen as a danger to society.