How to insulate a shed roof. [VERB noun] Is there any way we can insulate our home from the noise? [V n + from/against] Are your hot and cold water pipes well 1. 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. To insulate generally means to protect or separate something from external factors or influences, often with the use of a material or substance. , 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. It can specifically refer to preventing the transfer of heat, sound, or electricity. See Synonyms at isolate. insulate meaning, definition, what is insulate: to cover or protect something with a mat: Learn more. Insulate definition: To prevent the passage of heat, electricity, or sound into or out of, especially by surrounding or covering with a nonconducting material. See examples of insulate used in a sentence. . ekuit, 31se, ub5wdy, 2rutlb, qzf4xu, uuqis2, s6p5a, depyna, siss, lvmeb,