Of, relating to, or befitting a citizen or citizens: civil duties. Of or relating to citizens and their interrelations with one another or with the state: civil society; the civil branches of government. Of ordinary citizens or ordinary community life as distinguished from the military or the ecclesiastical: civil authorities. Of or in accordance with organized society; civilized. Sufficiently observing or befitting accepted social usages; not rude: a civil reply. See Synonyms at polite. Being in accordance with or denoting legally recognized divisions of time: a civil year. Law Relating to the rights of private individuals and legal proceedings concerning these rights as distinguished from criminal, military, or international regulations or proceedings.