adapter

noun

adapt·​er ə-ˈdap-tər How to pronounce adapter (audio)
a-
variants or less commonly adaptor
1
: one that adapts
2
a
: a device for connecting two parts (as of different diameters) of an apparatus
b
: an attachment for adapting apparatus for uses not originally intended

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Each pair includes a 3m Mini-XLR to 3.5mm jack cable, a 3.5mm to 6.3mm adapter and a drawstring carry bag. Mark Sparrow, Forbes.com, 5 June 2025 The Nintendo Switch 2 console has officially been released, as retailers opened their doors at midnight — 9 p.m. here on the West Coast — to welcome early adapters and die-hard fans. Todd Martens, Los Angeles Times, 5 June 2025 The Lenovo Legion Go S comes with three months of PC Game Pass, just like the Ally X, and a power adapter. PC Magazine, 5 June 2025 With these bold stylistic choices by adapter John Hildreth and director Heather Currie, the play satirizes contemporary American society in an unconventional take on the science fiction classic. Emily McClanathan, Chicago Tribune, 3 June 2025 See All Example Sentences for adapter

Word History

Etymology

adapt + -er entry 2

First Known Use

1753, in the meaning defined at sense 2

Time Traveler
The first known use of adapter was in 1753

Browse Nearby Words

Cite this Entry

“Adapter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/adapter. Accessed 10 Jun. 2025.

Kids Definition

adapter

noun
adapt·​er
variants also adaptor
1
: someone or something that adapts
2
a
: a device for connecting two parts (as of different diameters) of a usually larger device
b
: an attachment for adapting a device for uses not originally intended

Medical Definition

adapter

noun
adapt·​er
variants also adaptor
1
: one that adapts
2
a
: a device for connecting two parts (as of different diameters) of an apparatus
b
: an attachment for adapting apparatus for uses not originally intended

More from Merriam-Webster on adapter

Last Updated: - Updated example sentences
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