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

Larger configurations, such as the R140X, incorporate swiveling crossbars with snap locks alongside vertical and horizontal dividers for customized interior partitioning. — IEEE Spectrum, 3 Sep. 2026

Wooden dividers with an open-lattice pattern separate the primary suite’s sitting area and bedroom, both with floor-to-ceiling sliding doors that open onto a large private terrace. — Demetrius Simms, Robb Report, 26 Aug. 2026

New casework creates a natural divider between the front office and the innovation center, soon to be filled with books and displays of student work. — Karen Billing, San Diego Union-Tribune, 25 Aug. 2026

The makeup pouch has multiple makeup brush holders, elastic and mesh pockets, loops, and dividers. — Alanna Martine Kilkeary, Glamour, 24 Aug. 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