syntheticity UK /sɪnθɛˈtɪsɪti/US /sɪnθəˈtɪsɪti/ noun2 •The property or condition of being synthetic. •The degree to which a language, sentence, clause, or phrase exhibits synthetic typology.Martin sees Kant engaged in developing a whole series of attempts at formulating an account of singular existential judgment in the context of his overriding account of the syntheticity of judgment. — 2007