#lessening__decrease__drop-off  a change downward; "there was a sharp drop-off in sales"
  exclusion:  #increase
  supertype:  #change.happening__alteration__modification  an event that occurs when something passes from one state or phase to another: "the change was intended to increase sales"; "this storm is certainly a change for the worse"
  subtype:  #shrinking.lessening__shrinkage  process or result of becoming less or smaller: "the material lost 2 inches per yard in shrinkage"
     subtype:  #compression.shrinking__condensation__contraction  the process or result of becoming smaller or pressed together: "the contraction of a gas on cooling"
  subtype:  #casualty  a decrease of military personnel or equipment
     subtype:  #equipment_casualty__equipmentcasualty__damage  loss of military equipment
        subtype:  #battle_damage__combat_casualty  loss of military equipment in battle
        subtype:  #operational_damage__operationaldamage__operational_casualty__operationalcasualty  loss of military equipment in field operations
     subtype:  #personnel_casualty__personnelcasualty__loss  military personnel lost by death or capture
        subtype:  #combat_injury__wound__injury  a casualty to military personnel resulting from combat
           subtype:  #blighty_wound__blightywound  a wound that would cause an English soldier to be sent home from service abroad
           subtype:  #flesh_wound  a wound that does not damage important internal organs or shatter any bones
        subtype:  #sacrifice.personnel_casualty  personnel that are sacrificed (e.g., surrendered or lost in order to gain an objective)
  subtype:  #sinking.lessening  a slow fall or decline (as for lack of strength); "after several hours of sinking an unexpected rally rescued the market"; "he could not control the sinking of his legs"
  subtype:  #attrition.lessening  a wearing down to weaken or destroy; "a war of attrition"
  subtype:  #dwindling_away__dwindlingaway__dwindling  a becoming gradually less; "there is no greater sadness that the dwindling away of a family"
     subtype:  #fading_away  gradually diminishing in brightness or loudness or strength
  subtype:  #waning  a gradual decrease in magnitude or extent; "the waning of his enthusiasm was obvious"; "the waxing and waning of the moon"

No statement uses or specializes #lessening; click here to add one.