(West Midlands) Younger (sometimes older) sibling, usually masculine.

(slang) Alternative spelling of kiddie (“a child”) / (obsolete, UK, slang) A man or boy. / (obsolete, UK, slang) A low thief.

(archaic) To kid; to hoax or tease.

Alternative spelling of kick-off meeting

Alternative spelling of kick-off meeting

The first official meeting of a group of people who will be working together on a project. The agenda will usually include introductions, statement(s) of mission, and organization of teams or working-groups. The implication is that there will be more meetings to follow.

Alternative spelling of kidnapper

Alternative spelling of mercy killing / (sports) In sports, a premature ending of a one-sided game or contest due to a mercy rule.

(sports) present participle of mercy-kill

Active euthanasia.