drop-off

• dropoff

Deverbal from drop off.

drop-off (plural drop-offs)

2. A sudden downward slope or cliff.
   1. The precipitous outer side of a coral reef, facing the open sea.
4. A decrease; especially, a sudden one.

   Synonyms: falloff, step-off

   There has been an unexplained drop-off in sales this quarter.

6. A delivery; the act of leaving a package, etc.
   • 2014, K. G. MacGregor, Anyone But You:

     Starting tomorrow, they'd do dropoffs and pickups instead of leaving their vehicles unguarded.

8. (especially US) A space reserved outside a bus or railway station for vehicles stopping to drop off passengers for onward transit.

   Synonyms: set-down, setting-down

   • 2020 May 20, “Network News: Plan submitted for £18.6 million station at Soham”, in Rail, page 21:

     Fifty car parking spaces, a drop-off point, five spaces for blue badge holders and lighting masts are all included in the plan, as is cycle parking on the station forecourt and ticket vending machines.

10. A time during which passengers, such as school children, are dropped off; the event or act of dropping them off.
    • 2021 February 1, Living in Brisbane, Brisbane, page 1:

      These signs are friendly reminders for road users to slow down during drop-off and pick-up.

12. (Internet) A visitor to a website who ceases to continue using and navigating around the site after reaching some specified page; or such an act of cessation.

    We're seeing a lot of drop-offs on the shop product pages; why aren't people making purchases?

• drop off