sidewall

noun

side·​wall ˈsīd-ˌwȯl 

1

: a wall forming the side of something

2

: the side of an automotive tire between the tread shoulder and the rim bead

Examples of sidewall in a Sentence

Recent Examples on the Web

The lightest is then used for the sidewall overlays, lace cover and the laces themselves, while the upper’s base and tongue serves as the middleground. —Ian Servantes, Footwear News, 23 Feb. 2026

Uneven tire wear, low tire pressure, sidewall bulges or blisters and dents in wheel rims. —Jim Gorzelany, Forbes.com, 21 Jan. 2026

The hard sidewalls swing out and secure inside tracks mounted atop the bed rails. —New Atlas, 9 Jan. 2026

The standout feature for this backpack is its Wingjacket Protection, which includes flexible compression straps and padded sidewalls that protect and compress your items to minimize the bag’s overall size. —Sophie Dodd, Travel + Leisure, 7 Jan. 2026

Word History

First Known Use

14th century, in the meaning defined at sense 1

Rhymes for sidewall

• aerosol
• alcohol
• arbitral
• basketball
• butanol
• cannonball
• carbinol
• catarrhal
• cortisol
• ethanol
• fireball
• gasohol

Kids Definition

sidewall

noun

side·​wall -ˌwȯl 

1

: a wall forming the side of something

2

: the side of an automotive tire between the tread shoulder and the rim