department

noun

de·​part·​ment di-ˈpärt-mənt 

1

a

: a distinct sphere : province

that's not my department

b

: a category consisting especially of a measurable activity or attribute

lacking in the trustworthiness department

—Garrison Keillor

2

: a functional or territorial division: such as

a

: a major administrative division of a government

b

: a major territorial administrative subdivision

c

: a division of a college or school giving instruction in a particular subject

d

: a major division of a business

e

: a section of a department store handling a particular kind of merchandise

f

: a territorial subdivision made for the administration and training of military units

departmental

di-ˌpärt-ˈmen-tᵊl 

ˌdē-

adjective

departmentally

di-ˌpärt-ˈmen-tə-lē 

ˌdē-

adverb

Synonyms

• agency
• arm
• branch
• bureau
• desk
• division
• office
• service

Examples of department in a Sentence

Your letter has been forwarded to our sales department.

When you get to the hospital, go directly to the X-ray department.

the university's math and science departments

the department of modern languages

She joined the town's police department.

Recent Examples on the Web

Opening the digital doors of our police departments to their prosecutorial partners would be a meaningful step forward in tackling that problem and making New York safer for everyone. —Zellnor Myrie, New York Daily News, 7 Jan. 2025

The Minneapolis City Council voted unanimously yesterday to join an agreement with the U.S. Department of Justice to reform its police department. —Brittney Melton, NPR, 7 Jan. 2025

The same may go for the finance department or another division. —Ken Carnesi, Forbes, 7 Jan. 2025

In Kansas City, 204 wrecks were reported to 911 between 2 p.m. Saturday and 6 a.m. Sunday, police department records show. —Matthew Kelly, Kansas City Star, 7 Jan. 2025

Word History

Etymology

French département, from Old French, act of dividing, from departir

First Known Use

1735, in the meaning defined at sense 1a

Phrases Containing department

• department store
• fire department
• purchasing department
• sub-department

Kids Definition

department

noun

de·​part·​ment di-ˈpärt-mənt 

1

: a distinct area of interest or activity

taking care of the cat is not my department

2

a

: a major administrative division of a government or business

b

: a major territorial administrative division

c

: a division of a college or school giving instruction in a particular subject

d

: a section of a department store

departmental

di-ˌpärt-ˈment-ᵊl 

ˌdē-

adjective

departmentally

-ᵊl-ē 

adverb