present participle of keep one's cards close to one's chest

(idiomatic, usually imperative) Synonym of act one's age (“to behave in a mature manner; to avoid being childish”).

(US, military, slang) incorrect; false

(idiomatic) An accomplishment; particularly one that is flaunted or boasted of. / Used other than figuratively or idiomatically: see feather, cap.

(computing) A special variety of router used to route packets in a VLAN environment.

A road in which traffic is only allowed to proceed in one direction. / (figuratively) A course of action that cannot be undone or does not lead to reciprocation.

(idiomatic) Insane, crazy. / (idiomatic) Temporarily mentally unstable; very distressed.

(idiomatic) To reconsider; rethink; to reach a different conclusion. / (idiomatic) To change one's story.

(idiomatic) To procrastinate, put off; to dawdle, avoid, or make progress slowly and reluctantly. / (idiomatic) To intentionally stall, to delay, to obstruct.

(idiomatic) To absolve oneself of responsibility or future blame for; to refuse to have any further involvement with.