divider

noun

di·​vid·​er də-ˈvī-dər 

1

: one that divides

2

dividers plural : an instrument for measuring or marking (as in dividing lines)

3

: something serving as a partition between separate spaces or areas

a highway divider

Illustration of divider

• dividers

Synonyms of divider

• fence
• wall
• separator

Examples of divider in a Sentence

Concrete barriers are used as highway dividers.

She has proven to be a divider of people.

He says that he's a uniter, not a divider.

Recent Examples on the Web

To check whether progesterone was the trigger, the researchers removed the female from the barrier tank and replaced her with conical plastic tubes coated with various chemical stimuli, sliding them into the small holes of the wall divider. —Jacek Krywko, ArsTechnica, 2 Apr. 2026

Because octopuses can be aggressive, the researchers installed a divider in the tank with a few small holes so the pair could warm up to each other. —Cody Cottier, Scientific American, 2 Apr. 2026

Bishop removed the divider between the two frames to create one horizontal eight-perforation film frame, rather than the standard vertical four-perforation frame. —Laura Payne, Encyclopedia Britannica, 30 Mar. 2026

The 18-wheeler went left to avoid hitting Ward but still hit him, causing Ward to tumble forward and collide with a concrete divider, peace officers wrote in the report. —Timia Cobb breaking News Reporter, Dallas Morning News, 29 Mar. 2026

Word History

First Known Use

1534, in the meaning defined at sense 1

Phrases Containing divider

• voltage divider

Rhymes for divider

• collider
• confider
• insider
• outsider
• provider
• cider
• cyder
• eider
• glider
• hider
• rider
• schneider

Kids Definition

divider

noun

di·​vid·​er də-ˈvīd-ər 

1

: something that divides

a room divider

2

plural : an instrument for measuring or marking

Medical Definition

divider

noun

di·​vid·​er də-ˈvīd-ər 

: the second incisor tooth of a horse situated between the center and corner incisors on each side compare nipper sense 2