Someone who acts as a host at a formal event. / Someone who conducts a programme of varied entertainment, for example by introducing performers to the audience. / (rap music) A rapper.

(idiomatic) Askew, disturbed; not adjusted or working properly; out of order.

(idiomatic) No longer maintaining contact or communications. / (idiomatic) No longer conversant with something, especially facts, reality, world; not aware or realistic.

A kiss on the cheek that signifies the death of the receiver, as delivered by a mob boss or one with such influence.

(chemistry) potassium hydrogen tartrate (also called potassium bitartrate), a byproduct of wine manufacture, used in baking powder and in cooking to stabilize beaten egg whites.

(idiomatic) A deciding instant; the time when a test determines or makes it apparent whether something will succeed.

(Christianity) The pope of the Roman Catholic Church.

Not working, not functioning, broken; currently unavailable.

(idiomatic) An emotional state where someone is in a bad mood because he/she has been offended by or taken exception (objected) to some action. This action usually involves being seen in an inferior light to another person.

An archipelago off the coast of Cornwall, in southwestern England.