The meaning of INSULATE is 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.

insulate verb [T] (COVER) Add to word list to use a material to cover or go around the surface of something in order to prevent heat, electricity, etc., from escaping or entering:

INSULATE definition: to cover, line, or separate with a material that prevents or reduces the passage, transfer, or leakage of heat, electricity, or sound. See examples of insulate used in a sentence.

1. To prevent the passage of heat, electricity, or sound into or out of, especially by surrounding or covering with a nonconducting material: insulate an attic. 2. To cause to be in a detached or isolated …

To insulate something such as a building means to protect it from cold or noise by covering it or surrounding it in a thick layer. ...a scheme to insulate the homes of pensioners and other low-income …

To insulate means to protect or shield something from outside influences, such as heat, cold, sound, or electricity. It often involves using materials like foam, fiberglass, or rubber to prevent energy transfer.

Dec 11, 2025 · insulate (third-person singular simple present insulates, present participle insulating, simple past and past participle insulated) To separate, detach, or isolate. To separate a body or …

The verb insulate means "protect from heat, cold, or noise," like when you add an extra layer of clothing to insulate yourself from the cold. You can insulate a wall to keep sound out, or insulate your house …

insulate something (from/against something) to protect something with a material that prevents heat, sound, electricity, etc. from passing through. Home owners are being encouraged to insulate their …

The word insulate comes from insulare, a Latin word that means "to make something like an island."