(idiomatic, location) So as to be hidden from plain view (and thus easily ignored or overlooked).

(UK, informal) subjected to (figurative) pressure; under the gun

(idiomatic) In secret; secretly, privately.

(intransitive, dated) To acknowledge oneself conquered; to submit, to yield.

(transitive) To hold in subjection; hence, to oppress.

Confined below in a vessel. / Under arrest, or in slavery, distress, etc.

(sports) A long punt.

Alternative form of up and under

To hide or repress (emotion)

Alternative form of underrepresent.