Meaning ofdrop offin English

Verb

1. to deliver or leave something
   The company will drop off the packages at the customer's doorstep.
   Synonyms:

   deliverleavehand overdepositdropgivepresenttenderconveytransfer
   Antonyms:

   takeretrievepick upcollectremove
2. to decrease or diminish in amount
   The number of attendees is expected to drop off significantly after the first week.
   Synonyms:

   decreasediminishdeclinefallreducelowerdropwaneshrinklessen
   Antonyms:

   increaserisegrowexpandaugment
3. to fall from a height or surface
   Be careful not to drop off the cliff while hiking in the mountains.
   Synonyms:

   falldescendplungedropslipslidesinktumbleplummetcrash
   Antonyms:

   riseascendclimbsoarelevate