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 While the state policy largely insulates California from the federal rollback, the state could still see a drop in water quality in watersheds that cross state lines. Kurtis Alexander,, "California protects itself from Trump’s rollback of Clean Water Act," 12 Sep. 2019 One option that has not been explored is how public banking might insulate the fund from financial instability. Dp Opinion, The Denver Post, "Letters: PERA retirees need security now; Winning strategy for Dems; Pass the buck, Hick (7/11/19)," 11 July 2019 Douek says the group’s charter , also released Tuesday, should insulate board members from public pressure and Facebook’s commercial imperatives. Washington Post, "Facebook to name first oversight panel members by year-end," 17 Sep. 2019 The by-products of land-use decisions have spread throughout the Bay Area, as traffic chokes freeways, greenhouse gas emissions increase and homeless encampments pop up in areas once insulated from in-your-face poverty. Rachel Swan,, "Measure clears way for tax hikes on ballot to address Bay Area housing crisis," 14 Sep. 2019 The researchers suggest shifting to electric cars and heating systems, insulating homes, getting rid of old appliances and expanding offshore wind development. USA TODAY, "Disney surprise, foreign feral hogs, porous pavement: News from around our 50 states," 13 Sep. 2019 If the rent cap goes into effect, these landlords will no doubt always vote against proposals to raise money for repainting the stairwells or insulating the basement against flooding. Leonid Bershidsky, Twin Cities, "Leonid Bershidsky: Berlin’s rent cap is a case of communist amnesia," 13 Sep. 2019 Many homeowners who insulate the roof deck with closed-cell spray foam typically see utility savings of at least 40 percent. Real Estate, "Ask the Carpenter: Mold in the attic and trouble in the garage," 12 Sep. 2019 Use a coupon to get the free 24-ounce insulated cup with lid with a $50 liquor purchase. Doreen Christensen,, "Free $20 Miami Dolphins Tervis tumbler at Publix," 6 Sep. 2019

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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Statistics for insulate

Last Updated

4 Nov 2019

Time Traveler for insulate

The first known use of insulate was circa 1741

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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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Comments on insulate

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


a calculated move

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