side by side

adverb

1

: beside one another

walking side by side

2

: in the same place, time, or circumstance

lived peacefully side by side for many years

side-by-side

ˈsīd-ˌbī-ˈsīd 

adjective

Examples of side by side in a Sentence

Recent Examples on the Web

Now, researchers in China have overcome this limitation by turning almost the entire structure into a four-lane highway for light, allowing four independent microwave signals to travel side by side. — Rupendra Brahambhatt, Interesting Engineering, 1 Aug. 2026

Bake pâte à choux side by side until golden brown and puffed, 32–35 minutes. — Jesse Szewczyk, Bon Appetit Magazine, 1 Aug. 2026

This was on full display last September when Chinese leader Xi Jinping, Russian President Vladimir Putin, and North Korean leader Kim Jong Un walked side by side at a military parade in Beijing – a show of unity among authoritarians. — Jessie Yeung, CNN Money, 31 July 2026

The pair stunned together on the red carpet at the New York premiere of The Shards, where Cindy Crawford’s daughter and Richard Gere’s son stood side by side 30 years after the love story that brought their famous parents together. — Alessia Amorosini, Vanity Fair, 30 July 2026

Word History

First Known Use

13th century, in the meaning defined at sense 1

Rhymes for side by side

• acetamide
• acetonide
• acidified
• antimonide
• beatified
• benzaldehyde
• borohydride
• chalcogenide
• commodified
• decalcified
• declassified
• disaccharide

Kids Definition

side by side

adverb

: beside one another