drop-off

1. A noticeable deterioration in performance or quality (synset 113577712)
   "the team went into a slump"; "a gradual slack in output"; "a drop-off in attendance"; "a falloff in quality"
   is a type of: declension, decline in quality, deterioration, worsening - process of changing to an inferior state
   same as: falling off, falloff, slack, slump
2. A steep high face of rock (synset 109269370)
   "he stood on a high cliff overlooking the town"; "a steep drop"
   is a type of: formation, geological formation - (geology) the geological features of the earth
   subtypes:

   • crag - a steep rugged rock or cliff
   • precipice - a very steep cliff
   same as: cliff, drop
3. A change downward (synset 107370487)
   "there was a decrease in his temperature as the fever subsided"; "there was a sharp drop-off in sales"
   is a type of: alteration, change, modification - an event that occurs when something passes from one state or phase to another
   subtypes:

   • shrinkage, shrinking - process or result of becoming less or smaller
   • casualty - a decrease of military personnel or equipment
   • sinking - a slow fall or decline (as for lack of strength)
   • attrition - a wearing down to weaken or destroy
   • dwindling, dwindling away - a becoming gradually less
   • waning - a gradual decrease in magnitude or extent
   same as: decrease, lessening

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