vital principle vital organ • vital sign · · · Info · Definitions · Synonyms · Characters · · vital principle · · Text Common · · Latin · · Scripts 15 · · Length 5 · · Syllables Definitions · · · (noun) a hypothetical force to which the functions and qualities peculiar to living things are sometimes ascribed. Synonyms: vital principle, life principle. · · Noun Definition 1 Synonyms · · · life principle · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E p latin small letter p U+0070 r latin small letter r U+0072 t latin small letter t U+0074 v latin small letter v U+0076