(of an animal) Not eating normally. / (idiomatic, of a person) Rather unwell, especially with a reduced or altered appetite; somewhat disoriented or disconcerted.

(idiomatic, often preceded by just) An unfortunate, but unavoidable, event.

An agreement, either formal or tacit, between two or more parties not to discuss some matter nor to reveal any information concerning it, especially in order to avoid blame, embarrassment, or other discomfort.

Anyone imprisoned because of their race, religion, or political views.

Synonym of wall of silence

(idiomatic) Strict secretiveness maintained by the members of a police force with respect to information which might be contrary to their interests, especially information concerning questionable police actions.

(idiomatic) Strict secretiveness maintained by the members of a group with respect to information which might be contrary to their interests, especially information concerning questionable actions by members of the group.

Synonym of blue wall of silence

plural of screen of death

(computing, informal) A screen or a message indicating an unrecoverable error.