Feeling lonely is a phenomenon experienced by all humans. The purposes of this research study were to discover the structure of the experience of feeling lonely, to contribute to nursing knowledge, and to expand the knowledge of feeling lonely. The Parse research method was used to guide this study and answer the research question: What is the structure of the lived experience of feeling lonely? Participants were 10 children ages 7 to 10 years. The central finding of this study was the following structure: The lived experience of feeling lonely is distressing isolation amid contentedness arising with cherished engagements. New knowledge extended the theory of humanbecoming and enhanced understanding of the experience of feeling lonely.