tip of the spear noun2 •The foremost person or group; those on the front lines.Bannon called Argentina “the tip of the tip of the spear of the fight for the Judeo-Christian west”. — 2024 •The leading position of someone in a difficult situation.In this and similar theorizing of criminal-justice reform, Simonson draws the focus of reform advocates to the tip of the spear—police administration. — 2021