in·​su·​late | \ ˈin(t)-sə-ˌlāt How to pronounce insulate (audio) \
insulated; insulating

Definition of insulate

transitive verb

: to place in a detached situation : isolate especially : to separate from conducting bodies by means of nonconductors so as to prevent transfer of electricity, heat, or sound

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Examples of insulate in a Sentence

They used a special type of fiberglass to insulate the attic. a material that is able to insulate against cold The company has tried to insulate itself from the region's political turmoil. I wish I could insulate my children from painful experiences.
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Recent Examples on the Web Despite the slowdown, Alphabet and Google are more insulated from the decline than most ad-dependent companies. Danielle Abril, Fortune, "Alphabet’s and Facebook’s upcoming earnings are expected to be bad. The question is how bad?," 28 Apr. 2020 They are insulated by thick hair, and their wide, fur-covered feet act as natural snowshoes. National Geographic, "Snow leopard," 19 Mar. 2020 In addition to that, Bloomberg has very much been insulated from having to answer hard questions for this entire process. NBC News, "Meet the Press - February 23, 2020," 23 Feb. 2020 But the cabin is really well insulated from outside noise, and that includes the engine. Eric Bangeman, Ars Technica, "Review: Porsche Macan S will leave you wanting more," 16 Feb. 2020 Mass-market retailers aren't insulated from the virus. Megan Cerullo, CBS News, "Coronavirus chills luxury brands in — and outside — China," 13 Feb. 2020 Inside, the walls of the bag are insulated, turning your favorite bucket into a cooler for dead birds and cold drinks. Matthew Every, Outdoor Life, "Weird, Off-Beat, and Cool Guns and Gear from SHOT Show 2020," 11 Feb. 2020 In some ways, Romney is more insulated from Trump’s political reprisals than any other Republican lawmaker. Matt Ford, The New Republic, "The Senate Has Convicted Itself," 5 Feb. 2020 The unisex, straight-leg pants are insulated and come in white or black. Terry Ward, Condé Nast Traveler, "Ski Trip Packing List: All the Essentials for a Weekend On (and Off) the Slopes," 29 Jan. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'insulate.' 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 insulate

circa 1741, in the meaning defined above

History and Etymology for insulate

Latin insula

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Time Traveler for insulate

Time Traveler

The first known use of insulate was circa 1741

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Statistics for insulate

Last Updated

19 May 2020

Cite this Entry

“Insulate.” Dictionary, Merriam-Webster, Accessed 24 May. 2020.

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More Definitions for insulate


How to pronounce insulate (audio)

English Language Learners Definition of insulate

: to add a material or substance to (something) in order to stop heat, electricity, or sound from going into or out of it
: to prevent (someone or something) from dealing with or experiencing something : to keep (someone or something) separate from something unpleasant, dangerous, etc.


in·​su·​late | \ ˈin-sə-ˌlāt How to pronounce insulate (audio) \
insulated; insulating

Kids Definition of insulate

1 : to separate from others : isolate At home he insulates himself from the city.
2 : to separate a conductor of electricity, heat, or sound from other conductors by means of something that does not allow the passage of electricity, heat, or sound insulated electrical wire

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