semiology semiography • Semionotidae · · · Info · Definitions · Synonyms · Characters · · semiology · · Text Latin · · Script 9 · · Length 4 · · Syllables Definitions · · · (noun) (philosophy) a philosophical theory of the functions of signs and symbols. Synonyms: semiotics. · · Noun Definition 1 Synonyms · · · semiotics · · Synonym 1 Characters · · e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D o latin small letter o U+006F s latin small letter s U+0073 y latin small letter y U+0079