(idiomatic) Under accusation, scrutiny; subject to critical inspection.

(idiomatic) Having a centrist attitude or philosophy; not extreme, especially politically. / (music, derogatory) Of a type of melodic popular music that has wide appeal.

(informal) To not know; to have no idea.

(informal, idiomatic) To begin; to start some action; to set in motion.

(idiomatic) Something that intensifies the appreciation of something already good.

Used to introduce a new topic; incidentally, by the way.

Incidental; unplanned.

Used other than figuratively or idiomatically: see lose, plot. / (UK, idiomatic) To cease to behave in a consistent and/or rational manner.

To pick up the receiver of a telephone, generally with the intention of making a phone call. / To answer an incoming telephone call.

(idiomatic) Actively traveling; busy; moving often. / In progress; having started.