Enclosed, surrounded, or contained by glass panels, usually for protection.

(US, idiomatic) A shameful secret.

plural of skeleton in the closet

plural of skeleton in the cupboard

With regard to the fundamentals, but not to the particulars. / According to theory.

(UK, idiomatic) A shameful secret.

(idiomatic) An intensifier used with questions.

Alternative form of sister-in-law

To enter a competition. / (colloquial) To have an interest in or approve of something. / (colloquial) To engage oneself or take part in something.

(idiomatic, humorous, informal) Synonym of get one's knickers in a twist