reduction lessening decrease shrinkage compression contraction shortening abbreviation abridgment abridgement condensation depletion diminution loss fall decline lowering diminishment falloff decrement abatement drop subtraction degradation deduction stagnation erosion weakening corrosion attrition deterioration abrasion wear waste weathering undermining disintegration detrition decay wearing consumption corroding destruction spoiling dissolution crumbling dissolving sapping rotting core breakup disconnection disunion division parting partition schism scission split antagonism disassociation dispersal separation severance setback detraction adulteration detriment disadvantage affliction bane harm jinx bother cross curse disapproval hex hoodoo immorality irritant misery nuisance pest plague punishment scourge trial tribulation wickedness disincentive hindering annoyance denunciation derision deterrent disbelief distrust doubt gloom