modular

1 of 2

adjective

mod·​u·​lar ˈmä-jə-lər 

1

: of, relating to, or based on a module or a modulus

2

: constructed with standardized units or dimensions for flexibility and variety in use

modular furniture

modularity

ˌmä-jə-ˈler-ə-tē 

-ˈla-rə-tē

noun

modularly

ˈmä-jə-lər-lē 

adverb

modularity

2 of 2

noun

mod·​u·​lar·​i·​ty ˌmäjəˈlarə̇tē 

-ler-

plural -es

1

: the use of discrete functional units in building an electronic or mechanical system

2

: a feature of a computer language that allows programs to be composed of modules

Examples of modular in a Sentence

Adjective

In many offices, desks are separated by modular walls that can be moved around.

a factory that produces modular homes

Recent Examples on the Web

Adjective

The solid-state transformer has a modular design with an active front end interacting with the power grid, an AC/DC converter, and a high-frequency isolation transformer that either steps up or steps down the voltage. — Jeremy Hsu, ArsTechnica, 24 Aug. 2026

But there are some new small modular homes that have been added to the property that can fetch a lot more money. — John Ramos, CBS News, 24 Aug. 2026

Critically, according to Raytheon, the SPY-6 is also modular. — Christopher McFadden, Interesting Engineering, 23 Aug. 2026

Another option for smaller operations is modular data centers. — Ray Fernandez, Forbes.com, 21 Aug. 2026

Word History

Etymology

Noun

modular + -ity

First Known Use

Adjective

1815, in the meaning defined at sense 1

Noun

1937, in the meaning defined at sense 1

Phrases Containing modular

• modular arithmetic

Rhymes for modular

• nodular

Kids Definition

modular

adjective

mod·​u·​lar ˈmäj-ə-lər 

1

: of, relating to, or based on a module or modulus

2

: constructed in similar sizes or with similar units for flexibility and variety in use