The actuality of this work is based on the object of study - the occasional word. Despite the fact that there are a large number of works devoted to the study of occasional formations, occasionalism is still insufficiently investigated as a unique phenomenon, a manifestation of the author's language. Occasionalism reflects the development, the dynamics of language, thanks to its potential, researchers have the opportunity to see the language in action. The object of this study are occasional expressions in literary and newspaper-journalistic texts in English. The subject of the research is the peculiarities of formation and functioning of occasionalisms in the English language. The aim of the work is to identify and describe the main ways of formation of occasionalism in literary and newspaper-journalistic texts in English. To achieve the goal, the following tasks are solved: * consider the most important aspects of the theory of occasionality; * describe an occasionalism as a phenomenon in the context of the current situation in the English language; * consider occasionalism as a link in the chain of linguistic neoplasms: "potential word-occasionalism-neologism»; * to analyze the problem of classification of occasionalisms; * to analyze the functioning of occasionalisms in literary texts; * consider the functioning of occasional words and expressions, as well as the features of the formation and use of occasionalisms in newspaper and journalistic speech.
