To remain silent. / (idiomatic) To refrain from talking about something; to keep a secret.

(cricket) protective gloves worn by a wicket keeper to cushion the hands when repeatedly catching balls

Alternative spelling of keyserver

(cricket, intransitive) To act as wicket-keeper.

(computing) Software or hardware designed to record keyboard entries, often for the purpose of stealing passwords or other sensitive data.

(intransitive, slang) To do something correctly.

(simile) Very keen, enthusiastic, eager.

(idiomatic) To inform (someone) regularly of the latest developments.

(idiomatic) To pretend to be all right or that everything is going well; to maintain an appearance of wealth, comfort, or propriety.

(idiomatic, imperative) To keep something secret.