This work is an analysis of English nominal structures in selected editorials of Thisday Newspaper. It aimed to analyze the structure of noun phrases in the editorial, examine the functions of the noun phrases identified in the editorials in which they occur, determine the form of noun phrase that is commonly used in the editorials of Thisday newspaper and to establish if the form of noun phrases as used in the editorials affect the understanding and interpretation of the editorials. To achieve these aims, the first nominal group in each of the paragraphs of the editorials was selected for analysis using the Experiential and Logical Function Model of Halliday’s Systemic Functional Grammar (SFG) theory. The analysis revealed that the nominal groups have both logical and experiential functions in the text. It, also, reveals that the form of the nominal group that is most commonly used in the editorials of Thisday newspaper is MH and MHQ. The study established that the frequency of nouns in the editorials indicate high information density, therefore, the presence of complex nominal group structures in the editorials indicate information density in such editorials. This high information density allows for higher understanding of the editorials. More so, the research shows that the use of modifiers in the nominal group structure helps the readers to gain fast and direct access to information transmitted in the editorials. Based on the analysis carried out, this study concludes that the forms of nominal groups used in the editorials as well as the frequency of their usage affect the understanding and interpretation of the editorials either positively or negatively depending on whether the form is complex and frequently used or not complex and frequently used as the case may be.