Details meaning : Something small enough to escape casual notice. A profusion of details. The small things that can escape casual notice. Something considered trivial enough to ignore. A person's name, address and other personal information. (law enforcement) A temporary unit or assignment. An individual feature, fact, or other item, considered separately from the whole of which it is a part. A narrative which relates minute points; an account which dwells on particulars. A selected portion of a painting To explain in detail. To clean carefully (particularly of road vehicles) (always pronounced. /ˈdiːteɪl/) To assign to a particular task