One who goes first. / One having authority to direct. / One who leads a political party or group of elected party members; sometimes used in titles.

The capacity of someone to lead others. / A group of leaders. / The office or status of a leader.

Someone who is recognized by a religious body as having some authority within that body. / The leader of a religious order.

(idiomatic, obsolete) An old maid.

A short editorial, or a paragraph in an editorial.

plural of leader

(genetics) The sequence at the 5' end of an mRNA molecule that is not translated into protein.

(dated) Made of lead. / Pertaining to or resembling lead; grey, heavy, sluggish. / Dull; darkened with overcast.

(transitive, intransitive) To make or become dull or overcast.

Without a person providing direction. / Without a thing serving as leader.