insulate

verb

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

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

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.
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.
In February the team reported that the platform can simulate the transition between insulating behavior and metallic conduction. Zeeya Merali, Scientific American, 19 May 2026 China has also become Russia’s top trading partner and the biggest buyer of its oil and gas, a strategic bet now somewhat insulating Beijing from the impact of Iran’s effective shutdown of the crucial Strait of Hormuz trade route. Mithil Aggarwal, NBC news, 19 May 2026 They’re made of insulating materials, so electricity does not flow through them. Rui Bo, The Conversation, 18 May 2026 Many of these loans carry five- to seven-year maturities, meaning businesses that appeared insulated from AI disruption at origination may face a very different competitive landscape by the time those loans come due. Steven Dudash, Forbes.com, 15 May 2026 See All Example Sentences for insulate

Word History

Etymology

Latin insula

First Known Use

1742, in the meaning defined above

Time Traveler
The first known use of insulate was in 1742

Browse Nearby Words

Cite this Entry

“Insulate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/insulate. Accessed 21 May. 2026.

Kids Definition

insulate

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

from Latin insula "island" — related to isle, isolate, peninsula

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