OBSESSED meaning : 1. unable to stop thinking about something; too interested in or worried about something: 2…. Learn more. The meaning of OBSESS is to haunt or excessively preoccupy the mind of. How to use obsess in a sentence. Learn the meaning of obsessed , an adjective that describes someone who is very interested or focused on something or someone. See synonyms, collocations, and usage examples from the Collins English Dictionary. The adjective ' obsessed ' derives its etymological origins from the Latin word 'obsidere,' which combines 'ob,' meaning 'against' or 'towards,' and 'sidere,' meaning 'to sit' or 'to besiege.' Consequently, the etymology of ' obsessed ' conveys the idea of being figuratively besieged or preoccupied by a particular thought, idea, or person. When someone is described as ' obsessed ,' it implies that they are consumed by an intense and often irrational fixation, to the extent that it occupies their ...
