(economics) In economics, the theory there is a general decrease in the utility of a product, as more units of it are consumed.

A shorthand system for notating organ music, used mostly by the north German Baroque organ school, and distinguished from musical notation by the use of letter names, octave lines and other symbols instead of notes and accidentals and by the lack of staff lines.

(idiomatic) An accomplishment; particularly one that is flaunted or boasted of. / Used other than figuratively or idiomatically: see feather, cap.

(idiomatic) Out of peril; likely to recover or prevail over trouble; finished with the worst or most threatening part of a problem or illness.

(taxonomy) A taxonomic category below suborder and above superfamily.

(idiomatic) Relieved of a duty, burden, responsibility, or pressure.

Of a telephone, having an open connection; not hung up. / Of a telephone, ringing frequently.

(idiomatic, informal, sports) Performing extraordinarily well. / (idiomatic, informal, slang) Fresh, cool, trendy, excellent.

Alternative spelling of off-the-wall

A person who objects to something.