• a reduction in the size, extent, or importance of something

Synonyms: curtailment, curtailing, cutting back, cutback, cut, attenuation, reduction, lessening, lowering, decrease, contraction, constriction, restriction, limitation, limiting, curbing, decline, decrease, reduction, dwindling, shrinking, fading, failing, weakening, slackening, ebb, receding, wane, falling off