natural immunity natural history • naturalisation · · · Info · Definitions · Synonyms · Characters · · natural immunity · · Text Common · · Latin · · Scripts 16 · · Length 7 · · Syllables Definitions · · · (noun) immunity to disease that occurs as part of an individual's natural biologic makeup. Synonyms: natural immunity, innate immunity. · · Noun Definition 1 Synonyms · · · innate immunity · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075 y latin small letter y U+0079