adapt·​er | \ ə-ˈdap-tər How to pronounce adapter (audio) , a-\
variants: or less commonly adaptor

Definition of adapter

1 : one that adapts
2a : a device for connecting two parts (as of different diameters) of an apparatus
b : an attachment for adapting apparatus for uses not originally intended

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Examples of adapter in a Sentence

adapters for the food mixer include a meat grinder and an ice cream maker

Recent Examples on the Web

Don't let the new ports scare you, as there's a slew of adapters and dongles available to support other accessories. Jacob Krol, CNN Underscored, "Apple's MacBook Air is now an even better value at just $1,099," 11 July 2019 This announcement comes just a few months after Apple issued a similar recall for two types of plug adapters because of a risk of electric shock. Ahiza Garcia, CNN, "Apple recalls batteries in some older 15-inch MacBook Pros," 20 June 2019 And Lalo just launched last week with a daily stroller that will be expandable to handle two seats once its adapters are available. Rachel Rothman, Good Housekeeping, "Mockingbird Is a New Direct-to-Consumer Brand for Strollers, and We're Obsessed," 18 Mar. 2019 Ultimately, SpaceX defended its rocket and an investigation revealed the true cause of the accident: the payload adapter, which connects the satellite to the rocket, failed to deploy the spacecraft into orbit. Loren Grush, The Verge, "The Verge 2018 tech report card: SpaceX," 29 Dec. 2018 To do so, head into your PC’s BIOS, find the Video or Graphics option—it may be hidden in an Advanced menu—and set the Radeon hardware as the primary adapter. Brad Chacos, PCWorld, "This clever trick gets AMD FreeSync running on an Nvidia GeForce graphics card," 27 Aug. 2018 There is not a single standard for plugs, so some electric-car drivers have to carry multiple adapters. Ivan Penn, New York Times, "L.A. to Vegas and Back by Electric Car: 8 Hours Driving; 5 More Plugged In," 22 June 2019 In April, Apple recalled some wall plug adapters for international use that could create a risk of electrical shock. Mark Gurman / Bloomberg, Time, "Apple Is Recalling Some MacBook Pro Models Because of Overheating Batteries," 20 June 2019 When a show is adapted from a book or, like Game of Thrones, a series of books, the point at which the adapter outruns the source material is tricky. Ellen Gray,, "‘Big Little Lies’ & ‘A Handmaid’s Tale’: Still things to see here?," 4 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'adapter.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of adapter

1753, in the meaning defined at sense 2

History and Etymology for adapter

adapt + -er entry 2

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Learn More about adapter

Statistics for adapter

Last Updated

18 Jul 2019

Look-up Popularity

Time Traveler for adapter

The first known use of adapter was in 1753

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More Definitions for adapter



English Language Learners Definition of adapter

: a device that is used to connect two pieces of equipment that were not designed to be connected


variants: also adaptor \ ə-​ˈdap-​tər How to pronounce adaptor (audio) \

Medical Definition of adapter

1 : one that adapts
2a : a device for connecting two parts (as of different diameters) of an apparatus
b : an attachment for adapting apparatus for uses not originally intended

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More from Merriam-Webster on adapter

Thesaurus: All synonyms and antonyms for adapter

Spanish Central: Translation of adapter

Nglish: Translation of adapter for Spanish Speakers

Britannica English: Translation of adapter for Arabic Speakers

Comments on adapter

What made you want to look up adapter? Please tell us where you read or heard it (including the quote, if possible).


to complain fretfully

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