civil defense civil death • civil disobedience · · · Info · Definitions · Characters · · civil defense · · Text Common · · Latin · · Scripts 13 · · Length 4 · · Syllables Definitions · · · (noun) activities organized by civilians for their own protection in time of war or disaster. Synonyms: civil defense. · · Noun Definition 1 Characters · · space U+0020 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E s latin small letter s U+0073 v latin small letter v U+0076