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.
Beijing has been somewhat insulated from the conflict’s fallout thanks to its oil stockpile and aggressive push for renewables, but experts say it could be squeezed as a result of slowdowns in its key export markets. Prashant Rao, semafor.com, 28 Apr. 2026 The Fed is usually left to navigate this tightrope alone, insulated from political pressure. Tristan Bove, Fortune, 28 Apr. 2026 These unmanned systems are proving vital for high-risk logistics and medical evacuations, insulating soldiers from the most dangerous aspects of frontline operations. Mrigakshi Dixit, Interesting Engineering, 27 Apr. 2026 After a Mass Save energy assessment, her home was insulated, drafts sealed, and her heating system upgraded. Ed Gaskin, Boston Herald, 26 Apr. 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 29 Apr. 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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