drop off

Verb

drop off (third-person singular simple present drops off, present participle dropping off, simple past and past participle dropped off)

1. (idiomatic, intransitive) To fall asleep.
   • After two glasses of whiskey, Tom soon dropped off in front of the television.
   • And when the Boy dropped off to sleep, the Rabbit would snuggle down close under his little warm chin and dream, with the Boy's hands clasped close round him all night long.1921 June, Margery Williams, “The Velveteen Rabbit: Or How Toys Become Real”, in Harper’s Bazar, volume LVI, number 6 (2504 overall), New York, N.Y.: International Magazine Company, →ISSN, →OCLC

   Synonyms:

   drift off, doze off, crash out, fall asleep, get off, go night-night, go to sleep, nod off, nod out, sack out

2. (US, especially, idiomatic, transitive) To deliver; to deposit or leave; to allow passengers to alight.
   • Can you drop the kids off at school?
   • I'll drop off your books when I see you tonight.
3. (also, figuratively, transitive) To drop from, fall from.
   • The leaves were slowly dropping off the tree.
4. (also, figuratively, intransitive) To drop, fall.
   • The leaves hung on until the end of November, then dropped off quickly.
5. (figuratively, intransitive) To end a connection with a telephone queue, either by hanging up or after being served or processed.
   • As soon as a caller drops off, we'll have an open line and maybe you can reach us then.
6. (intransitive) To lessen or reduce.
   • Near-synonyms: taper off, dwindle
   • Sales have dropped off in recent months.

   Synonyms:

   fall off, taper off, dwindle

7. (dated, intransitive, slang) To die.
8. (slang) To abandon or give up on (something); to be abandoned or given up on.
   • My lawyer said some of those charges will be dropped off.
   • If you ignore them, the fees won't just drop off.