(intransitive) To separate from a larger group. / (transitive) To segregate; to remove from a parent entity.

To keep one's own business private; to be discreet, careful, or circumspect in what one says concerning one's own thoughts, deeds, or situation.

(idiomatic) To keep a secret; to refrain from speaking indiscreetly or carelessly; broadly, to refrain from speaking altogether.

To keep one's own business private; to be careful, circumspect, or discreet in what one says concerning one's own deeds, situation, or thoughts.

Alternative spelling of don't cry over spilt milk

plural of post office

(idiomatic) To act in one's own interests; to act in a manner advantageous primarily to oneself.

US standard spelling of centre of curvature.

present participle of make fun of

(meteorology) Of weather: to clear.