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

Apple has introduced Split View on the Duo, allowing two apps to run side by side. — Kurt Knutsson, FOXNews.com, 3 Nov. 2026

The operation is aimed at allocating more federal law enforcement resources to Deep Ellum, working side by side with state and local partners to create a direct line to Dallas PD for Deep Ellum crimes, Raybould said. — Emerson Clarridge, Fort Worth Star-Telegram, 2 Nov. 2026

The site includes illustrations of the two Republicans standing side by side. — ABC News, 2 Nov. 2026

Over time, taking these steps can be part of what keeps two people attuned and responsive to each other rather than simply living side by side. — Mark Travers, Contributor, CNBC, 1 Nov. 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