(idiomatic) to remove unwanted elements from a group

(duration, idiomatic) For a hopelessly long time; used especially in respect to discussing, explaining, insisting, etc.

Known but not quite remembered.

(transitive, informal) To produce a large quantity of (something) rapidly and easily.

(idiomatic) What is the purpose or advantage of

(US, idiomatic) From the start; immediately; right away.

Of a person: in fortunate circumstances, especially having financial security; comfortably off. / Of any item, in a good position or circumstance.

(transitive) To reverse (a vehicle) from a confined space. / (intransitive) To withdraw from something one has agreed to do. / (transitive) To dare (someone) to not withdraw from a challenge.

(idiomatic) To refrain from talking about something.

(dated) Completely; thoroughly.