› a reduction in the amount or level of something: Analysts say the employment drop-off is directly linked to a slowdown in housing constructiona drop-off in sth There was a sharp drop-off in industrial production in December. a slight/steep/significant drop-off expect/notice/see a drop-off
› TRANSPORT an act of taking people, goods, mail, etc. to a place, or the place where you take them: Passenger drop-off is allowed only in the designated area.recycling/waste drop-off Take anti-freeze, paint thinners, or other chemicals to a hazardous waste drop-off. drop-off area/centre/point