Justification of the approach to definitions formulating in explanatory dictionaries
Different ways of formulating definitions have been analyzed in order to find the way that will ensure the correctness of definitions in accordance with the purposes of a monolingual dictionary (to provide a set of unique features in order to distinguish the marked object from other similar objects; to give the most significant features of the object to meet the cognitive needs of a human; the perspicuity of a concept definition for its easy understanding by non-specialists in the given area of expertise).