expression
all at once; in one go; collectively
Used when doing several things together, handling items as a group, or completing something in a single action rather than separately.
See also: 纏める (まとめる) · 纏める (まとめる)
書類をまとめて提出してください。
Please submit the documents all together.
買い物はまとめて週末に済ませる。
I do all the shopping at once on the weekend.