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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:

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

General manager Vinni Jones said the charity aimed to put a smile on people's faces from its drop-in base at Lewis Street in St Helier.

From BBC Dec. 25, 2025

The result is a drop-in replacement for metallurgical coal.

From The Wall Street Journal Dec. 17, 2025

Talk Money Week will offer free drop-in sessions at Princes Quay shopping centre.

From BBC Nov. 1, 2025

It passed churches, meditation halls, mosques, drop-in clinics for Mellowers and an entire floor devoted to the Lion Spirit Medium, who relayed messages from mhondoro, the spirit of the land.

From "The Ear, the Eye, and the Arm" by Nancy Farmer

Rollins, in a social-media post this week, pointed to a drop in new screwworm cases in July as a sign that containment and the sterile-fly efforts were helping contain the outbreak.

From MarketWatch Jul. 28, 2026

That was driven by a 30% drop in children under 5.

From The Wall Street Journal Jul. 27, 2026

However, these figures are still "a drop in the ocean" compared to what is needed, Byanyima told AFP last month.

From Barron's Jul. 27, 2026

Primark, which has more than 190 UK stores, has been experiencing a drop in like-for-like sales, a key measure in the retail industry.

From BBC Jul. 26, 2026

Typically, they are caught by an unforeseen change of conditions or combination of changes—a sudden drop in temperature, a cold pelting rain, the realization that they are lost—for which they are emotionally or physically underequipped.

From "A Walk in the Woods" by Bill Bryson

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