How to sign: decrease in size, extent, or range
"The amount of homework decreased towards the end of the semester"; "The cabin pressure fell dramatically"; "her weight fall to under a hundred pounds"; "his voice fell to a whisper";
Similiar / Same: diminish, lessen
Categories: change magnitude
Within this category: abate, boil down, break, break, de-escalate, decelerate, decline, decrescendo, deflate, depreciate, drop off, dwindle, ease up, remit, shorten, shrink, shrink, shrivel, taper, thin out, vanish, wane, wane, weaken
How to sign: the amount by which something decreases
Similiar / Same: decrement
Categories: amount
Within this category: drop, shrinkage
How to sign: the act of decreasing or reducing something
Similiar / Same: reduction, step-down, diminution
Categories: change of magnitude
Within this category: amortization, contraction, cut, cutback, de-escalation, declassification, deflation, depletion, depreciation, devaluation, devitalization, discount, easing, extenuation, lowering, minimization, moderation, reverse split, rollback, shortening, shrinking, subtraction, tax credit, tax shelter, weakening