Abstract: This article examines the interaction mechanism between English language and Swahili in the field of Tanzanian mass media. Lexical content of media texts is of scientific interest due to the fact that it is a unique segment of modern literary (“standard”) Swahili, intended for consumption by mass audience. The subject of this research is the peculiarities of use of English-language borrowings in the modern news media texts in Swhahili language. The author meticulouslu examines the reason of using English loanwords, as well as their adaptation in Swahili. Media texts of the online version of Tanzanian newspaper Mtanzania served as the materials for this study. The conducted analysis determined the presents in media texts of a substantial amount of English-language borrowings belonging to various thematic groups. For information recipient, the English loanwords often turns into agnonym, since the meaning of the word is unclear, causing the sense of tension and inadequacy. Unjustified use of borrowings may be considered as one of the forms of verbal aggression as a result of negative effect of information upon the reader.