Alternative letter-case form of squadron leader (found when the term is used as a title).

plural of leader board

plural of leaderene

(UK) A female leader (especially an autocratic one)

plural of leaderette

Without a leader.

Alternative form of minority leader

(politics) Alternative form of Leader of the Opposition

(US, federal politics) In each of the legislative chambers of the United States Congress—the United States Senate and the House of Representatives—the elected member selected by the members of the political party with the second-largest number of elected members, who serves as principal spokesperson for the members of that party in that chamber and who plays a leading role in creating policies and strategies governing his or her party's business in that chamber.

(business) Typical of, or befitting, a leader; capable of leading a project or a team.