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.
But as China has remained comparatively insulated amid the historic disruption of global oil markets – even clocking robust growth in the first quarter of 2026 – Xi and his planners appear even more assured in their strategy. Simone McCarthy, CNN Money, 21 Apr. 2026 DeGise said berry farmers likely covered the plants with hay to insulate them. Vanessa Murdock, CBS News, 20 Apr. 2026 Apple has so far insulated its products from price hikes, reportedly due to its long-standing relationship with suppliers. Jibin Joseph, PC Magazine, 20 Apr. 2026 The cotton underside is just insulating enough to work on your bed year-round, while the linen’s airflow lets heat escape for a naturally temperature-regulating combination. Caley Sturgill, Southern Living, 19 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 22 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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