9 Grammatical Pitfalls


[drop-in] /ˈdrɒpˌɪn/
Informal.. Also, dropper-in. a person who or thing that pays an unexpected or uninvited visit:
a feeder for squirrels, raccoons, and other drop-ins.
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.
provided for short-term patronage:
a drop-in shelter for the homeless.
requiring only insertion to be ready for use:
a drop-in film cartridge.
Origin of drop-in
1810-20; noun, adj. use of verb phrase drop in Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for drop-in
  • There's no food service, but a dozen tables and chairs encourage drop-in tasters.
  • Homemade candy is wonderful to have on hand for nibbling or offering to drop-in guests.
  • The difference in density and distillation curves of the different drop-in biofuels are presented.
  • There are a number of critical ingredients to running a successful drop-in center.
Slang definitions & phrases for drop-in


  1. A place of temporary and sometimes dubious resort: drop-ins for youths wishing marijuana revels (1950s+)
  2. A person who attends classes and other college events without being registered: NBC did some research on college drop-ins (1960s+ Students)
  3. A new car engine as a replacement: If you have a current model-year car, you can get a ''drop-in.'' That's a brand new engine (1990s+)

[sense 2 is the opposite of a dropout]

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
Cite This Source

Word of the Day

Difficulty index for drop-in

Few English speakers likely know this word

Word Value for drop

Scrabble Words With Friends

Quotes with drop-in