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

Boston might have the right type of roster to help insulate his development path early on. Jeremy Woo,, "2019 NBA Mock Draft 9.0: Projecting All 60 Picks As Trade Talk Heats Up," 11 June 2019 To Block Out Noise/Insulate: Drapes that extend from the top of the window to the floor and contain a thick lining are best for blocking out noise and insulating your home. Lucia Tonelli, ELLE Decor, "Drapes or Curtains? Why Choosing the Right Window Treatment Matters," 27 Mar. 2019 The cabin is well-insulated both from road and engine noise. Eric Bangeman, Ars Technica, "Love the hardware, hate the UI: The Acura MDX Sport Hybrid," 13 Dec. 2018 Polyurethane foam containers resist chipping and cracking and also insulate roots against both hot and cold temperatures, making them a good choice for potting up plants that will stay outside year-round. The Editors, Good Housekeeping, "Everything You Need to Know About Container Gardening," 13 Aug. 2018 The rise of extreme partisan gerrymandering has insulated politicians from real accountability and poisoned the public’s faith in our government. Justin Wingerter, The Denver Post, "Supreme Court cites Colorado as it declines to curb gerrymandering," 27 June 2019 And eat fish a couple of times a week for those omega-3 fats that help keep your brain connections insulating and firing at youthful speed. Kaitlyn Pirie, Good Housekeeping, "The Truth About Nootropics and What They Do to Our Brains, According to a Neuroscientist," 7 June 2019 K’nex, a construction toy used to build elaborate structures, will be insulated from the effect of Toys R Us’ closing, Foreman said. Sam Wood,, "Despite 'traumatic' closing of Toys 'R' Us, Basic Fun! CEO bullish on industry," 19 Mar. 2018 The coordinated attacks across the province of Sweida, which included several suicide bombings, shattered the calm of a region that has been largely insulated from the worst of the violence of Syria's seven year long civil war. Fox News, "Hundreds killed as ISIS fighters ambush city, towns in southern Syria," 25 July 2018

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

15 Jul 2019

Look-up Popularity

Time Traveler for insulate

The first known use of insulate was circa 1741

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More Definitions for insulate



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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More from Merriam-Webster on insulate

Rhyming Dictionary: Words that rhyme with insulate

Thesaurus: All synonyms and antonyms for insulate

Spanish Central: Translation of insulate

Nglish: Translation of insulate for Spanish Speakers

Britannica English: Translation of insulate for Arabic Speakers

Comments on insulate

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