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.
Russia’s invasion of Ukraine ended the assumption that energy infrastructure could be insulated from geopolitics. — Sam Birchall, Fortune, 2 Oct. 2026 No single state, no matter how strong or aggressive, can insulate itself from these risks alone. — Elizabeth Shackelford, Chicago Tribune, 2 Oct. 2026 In most cases, consumers are largely insulated from that premium shock, experts said. — Greg Iacurci, CNBC, 2 Oct. 2026 To insulate its power consumers, TVA is negotiating cost-sharing agreements with commercial partners. — Aman Tripathi, Interesting Engineering, 30 Sep. 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 6 Oct. 2026.

Kids Definition

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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