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

Hinds referenced a recent decision by the Department of Transportation and Infrastructure to remove vertical barriers on some bike lanes in favor of lower-profile dividers. —Elliott Wenzler, Denver Post, 4 Dec. 2025

Yacht skippers do this with a compass, log, chart, dividers, a straightedge, and a bit of luck, as do small plane pilots. —New Atlas, 2 Dec. 2025

Both have spacious interiors with a divider for organization, elastic straps to hold items in place and a pouch for smaller items. —Bestreviews, Mercury News, 2 Dec. 2025

But according to Ellis, drawer dividers are for every drawer—not just the kitchen. —Stephanie Osmanski, Better Homes & Gardens, 1 Dec. 2025

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