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  • drop-in
    drop-in
    noun
    Also a person who or thing that pays an unexpected or uninvited visit.
  • drop in
    drop in
    verb
    surfing to intrude on a wave that another surfer is already riding
Synonyms

drop-in

American  
[drop-in] / ˈdrɒpˌɪn /

noun

  1. Informal. Also a person who or thing that pays an unexpected or uninvited visit.

    a feeder for squirrels, raccoons, and other drop-ins.

  2. Informal. a social gathering at which the guests are not expected to stay long.

    Be sure to stop by our house for a glass of eggnog at our Christmas drop-in.


adjective

  1. provided for short-term patronage.

    a drop-in shelter for people who are moving through homelessness.

  2. requiring only insertion to be ready for use.

    a drop-in battery pack.

drop in British  

verb

  1. surfing to intrude on a wave that another surfer is already riding

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of drop-in

First recorded in 1810–20; noun and adjective use of verb phrase drop in

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The MCC is also experimenting with drop-in pitches, which are heavily used in Australia.

From BBC Jun. 7, 2026

Sometimes, though, capybaras need more help than they can get from these drop-in visits—a fact that, along with the species’ rising popularity, has ushered some capybaras of Brazil into a new kind of lifestyle entirely.

From Slate May 27, 2026

The school said support was being put in place for students, including access to pastoral and safeguarding staff, bereavement support, and drop-in sessions with the school nurse team.

From BBC May 27, 2026

The centre provides a weekly programme of peer support groups, drop-in cafés, creative and musical sessions and wellbeing classes.

From BBC Apr. 16, 2026

He’s feeling good enough to come to Friday night drop-in at the mosque?

From "Saints and Misfits" by S.K. Ali

Ubisoft also expects a "high single-digit" percentage drop in its operating margin calculated according to non-IFRS accounting standards.

From Barron's Jul. 23, 2026

Shares fell more than 6%—down 18% so far this year—after the budget carrier posted a drop in profit.

From The Wall Street Journal Jul. 22, 2026

And global market share dipped to 8.1% from 8.3%, with North America market share falling to 15.8% from 16.4%, including a drop in U.S. share to 16.6% from 17.4%.

From MarketWatch Jul. 21, 2026

Mark Hutton, who helps run the Millbrook Hub community larder, said he had seen first-hand the drop in donations.

From BBC Jul. 21, 2026

But if the goal here is to explain the drop in crime in the 1990s, imprisonment is certainly one of the key answers.

From "Freakonomics: A Rogue Economist Explores the Hidden Side of Everything" by Steven D. Levitt

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