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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

"We don't have to be referred to. Anybody can call, drop into our drop-in centres and we'll help them," Ms Arthur said.

From BBC Jan. 3, 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

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

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

The company said it had seen a drop in revenue from licensing video games, against a "challenging" backdrop for the industry, and two previous partners had ended their deals to make Warhammer-inspired titles.

From BBC Jul. 28, 2026

Las Vegas is seeing the biggest drop in home prices among the nation’s biggest cities.

From MarketWatch Jul. 28, 2026

Alphabet’s losses spread to other tech stocks, sending the Magnificent Seven to their biggest collective one-day drop in market value since the tariff turmoil last April.

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

As much as Farmer wanted to direct the PIH spotlight away from himself, he was known to drop in on the new headquarters like a mini-hurricane, commanding everyone’s attention.

From "Mountains Beyond Mountains" by Tracy Kidder and Michael French

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