insole

[ in-sohl ]

noun

1. the inner sole of a shoe or boot.
2. a thickness of material laid as an inner sole within a shoe, especially for comfort.

insole

/ ˈɪnˌsəʊl /

noun

1. the inner sole of a shoe or boot
2. a loose additional inner sole used to give extra warmth, comfort, etc

Word History and Origins

Origin of insole¹

First recorded in 1850–55; in + sole ²

Example Sentences

Heated slipper insoles are another surefire way to keep your feet warm in cold weather, and they can fit right inside a pair of slippers you already own.

From Popular-Science

Inside the boot is a polypropylene-lined wool felt liner, and it comes with an extra felt insole so you can double up on the coldest days.

From Outside Online

My feet felt hugged by the insoles—in fact, the amount of support they delivered with each step went beyond cushioning, it felt downright therapeutic.

From Outside Online

The insole felt like it was sculpted to the shape of my foot.

From Outside Online

Then, whenever you come inside, pull the insoles from your boots so they can dry completely.

From Outside Online

A split leather insole was inserted in each shoe to insure perfect smoothness of the bottom.

From Project Gutenberg

This makes a fine insole, and is a great help to keep the feet warm.

From Project Gutenberg

If there is continual pain upon walking after the injury, a steel insole will often give relief.

From Project Gutenberg