insole

noun

in·​sole ˈin-ˌsōl 

1

: an inside sole of a shoe

2

: a loose thin strip placed inside a shoe for warmth or comfort

Examples of insole in a Sentence

Recent Examples on the Web

Cilanto is the name of the Clifton Utility’s launch colorway, and the namesake hue appears only sparingly through the outsole, insole and lateral Hoka branding. — Ian Servantes, Footwear News, 21 Aug. 2026

The ultra-cushioned insole keeps your feet feeling happy and looking lovely, even on a long afternoon. — Sarah Scott, Southern Living, 20 Aug. 2026

Now on sale for 25 percent off, these simple sneakers will prove easy to style and endlessly supportive, with foam insoles that are simultaneously lightweight and well-cushioned. — Merrell Readman, Travel + Leisure, 20 Aug. 2026

Like the pair above, the shoes boast plush insoles and pillowy cushioning, along with a structure specifically designed for smooth heel-to-toe rocking. — Kyra Surgent, InStyle, 20 Aug. 2026

Word History

First Known Use

circa 1861, in the meaning defined at sense 1

Rhymes for insole

• insula
• peninsula

Kids Definition

insole

noun

in·​sole ˈin-ˌsōl 

1

: an inside sole of a shoe

2

: a loose thin strip placed inside a shoe for warmth or comfort