A "practice run" refers to a rehearsal or trial of a particular task or activity. It is commonly used in sports, performing arts, and other fields where preparation is important. Synonyms for "practice run" include tryout, rehearsal, test, drill, dry run, run-through, warm-up, mock-up, and dress rehearsal. Depending on the context, some other related terms that can be used are training, simulation, preparation, exercise, and practice session. Regardless of the term used, the purpose of a practice run is always to perfect skills, build confidence, and avoid mistakes during the actual event.