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 once they’re installed, these technologies are largely insulated from geopolitical events, as Pakistan has proved in recent weeks by leaning on solar while neighboring Bangladesh suffers from skyrocketing gas prices. Tim McDonnell, semafor.com, 27 Mar. 2026 Despite the Senate's refusal to allocate funds for ICE and Customs and Border Protection, Republicans had already secured $75 billion for ICE last summer, meaning the agency is relatively insulated from any ongoing funding disruption. Brittney Melton, NPR, 27 Mar. 2026 And Medicare enrollees aren’t insulated from rising costs. Tribune News Service, Boston Herald, 27 Mar. 2026 The team realized that radiation kills chips by trapping electrical charges in transistors’ insulating layers. Mrigakshi Dixit, Interesting Engineering, 24 Mar. 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 2 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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