Wiktionary
in summary
adv. To summarize; as a summary.
Usage examples of "in summary".
On two occasions Stillhawk detected skulkers actually lying in ambush, and these he dealt with in summary fashion, leaving no survivors to learn new lessons in the need for stealth.
The smallest infraction can result in summary execution, and that makes for obedience.
Local environmentalists had objected and tried to block the development in court, but the federal district court judge had decided in summary judgment that laws from the 1800s governing mineral exploration and exploitation were the governing legal authority, and tossed the objections out of court.