v. 1 diminish, reduce, decline, lessen, lower, abate, fall off, shrink, shrivel (up), contract, dwindle, ebb, subside, wane, taper off, de-escalate, slacken, let up, ease (off or up), curtail, cut (down or back), Colloq run out of steam, US run out of gas Demand for tickets to rock concerts has decreased over the years The number of applicants for work is decreasing.
n. 2 diminution, reduction, decline, lessening, lowering, abatement, falling off, shrinking, shrivelling, contraction, decrement, dwindling, ebb, subsidence, tapering off, wane, de-escalation, slackening, easing (off or up), curtailment, cut, cut-back There has been no noticeable decrease in the price of houses in the south-east Have you noticed the decrease in arrests for dangerous driving?