(US, idiomatic) A shameful secret.

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

(UK, idiomatic) A shameful secret.

The state or quality of being inadvertent; inadvertency; heedlessness; carelessness; negligence. / An effect or result of inattention; an oversight or mistake from negligence.

(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

(medicine) The fertilization of an egg by sperm outside of a woman's body; normally used as a treatment for infertility.

(biology, medicine) The introduction of semen into the uterus or cervix of a female by a means other than copulation.