That shrinks, contracts, is reduced in size or volume, or is withered or shrivelled. Also figurative.

That moderates the harshness or severity of something; softening, mitigating, tempering.

That thins, in various senses of the verb.

That is diminishing or becoming weak; fading, vanishing.

= restrictive, adj.

Growing smaller, diminishing; decreasing.

Becoming scanty, running short. Now rare.

Abating, subsiding.

That limits something (in various senses of the verb).

That mitigates; alleviating, extenuating, moderating. Frequently in mitigating circumstances n. also in singular chiefly Law a fact or situation…

That diminishes or lessens. That grows less. Esp. in the law of diminishing return(s), in Economics, the principle that the expenditure of labour…

Decreasing, growing gradually less. Chiefly of the moon: Waning, in her decrement; in Heraldry represented with the horns towards the sinister…

That shrivels; Botany = marcescent, adj.

Falling in value, or in any scale.

Decreasing, diminishing. rare.