The volume comprises papers that were presented at the 14th European conference on «Formal Description of Slavic Languages 10.5» at Masaryk University in Brno, Czech Republic. The conference focuses on formal approaches to Slavic phonology, morphology, syntax and semantics. The present contributions describe interesting data patterns found in Slavic languages and analyze them from the perspective of formal grammar, including generative syntax, Distributed Morphology, formal semantics and others.