(idiomatic) A condition in which additional inputs into an organization, project or process produce progressively fewer or lower-quality additional outputs, and may, in extreme cases, cause the total quantity or quality of outputs to decrease.

plural of half-diminished seventh chord

(music) a chord with the bass note and the minor third, diminished fifth, and minor seventh above it, often denoted with 𝆩.

The tendency for a continuing effort toward a particular goal to decline in effectiveness after a certain amount of success has been achieved.

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

plural of law of diminishing marginal utility