The purpose of the present article is to conduct the all-round study of the verbs with middle degree of polysemy denoting conflict actions in modern Ukrainian, taking into account their both lexico-semantic and system-structural characteristics. With the help of linguistic methods of research and the formalized analysis of lexical semantics, both common and distinctive features of lexemes in comparative aspect as well as their position and role in the semantic space of modern Ukrainian have been determined. Lexico-semantic study of the language units denoting conflict actions in modern Ukrainian made it possible to reveal them as a certain means of individual’s everyday activities and lives and to establish different ways of their expression both verbally and non-verbally. Conflict actions in Ukrainian are explained by 96 verbs with the middle degree of polysemy possessing 9–2 lexical meanings. The present article deals with the words in question with the middle degree of polysemy comprise 10 verbs characterized by 9–8 meanings. In the process of our lexico-semantic analysis, we have found common (to argue; to quarrel; to protest against someone or something; to resist against something; to urge; to instigate someone against somebody; to make war; to conquer; to overcome smth.; to compete for something) and distinctive (to show dissatisfaction violently; to disagree; to rage; to object to do something; try to repress or to conceal some feelings, desires; to clash with smb. or smth; to worry, to embarrass, to torment) features of the language units in question. Furthermore, their semantics expresses three stages of conflict actions: 1) the cause of conflict actions – to provoke; to incite; to bring someone against someone; to cause a hostile attitude to someone or something; to instigate; 2) the active stage of the process – to wrangle; to fight with, for or against someone/something; to struggle with, against smb. or smth.; to contend; 3) its result and consequences – to win in a dispute; to surpass smb.; to conquer the opponent; to force the enemy to retreat to a certain ambit, obstacles.