| Noun | 1. | drop-off - a noticeable deterioration in performance or quality; "the team went into a slump"; "a gradual slack in output"; "a drop-off in attendance"; "a falloff in quality" |
| 2. | drop-off - a steep high face of rock; "he stood on a high cliff overlooking the town"; "a steep drop"crag - a steep rugged rock or cliff geological formation, formation - (geology) the geological features of the earth precipice - a very steep cliff | |
| 3. | drop-off - a change downward; "there was a decrease in his temperature as the fever subsided"; "there was a sharp drop-off in sales"alteration, change, 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"; "the neighborhood had undergone few modifications since his last visit years ago" shrinkage, shrinking - process or result of becoming less or smaller; "the material lost 2 inches per yard in shrinkage" casualty - a decrease of military personnel or equipment sinking - 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" attrition - a wearing down to weaken or destroy; "a war of attrition" dwindling, dwindling away - a becoming gradually less; "there is no greater sadness that the dwindling away of a family" waning - a gradual decrease in magnitude or extent; "the waning of his enthusiasm was obvious"; "the waxing and waning of the moon" |