Simple Definition of modular

from our Learner's Dictionary

modular

adjective

: having parts that can be connected or combined in different ways
In many offices, desks are separated by modular walls that can be moved around.
a factory that produces modular homes
modular buildings
(chiefly Brit) This is a modular course of three components, and students can take those three modules in any order.

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“Modular.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/modular. Accessed 21 Jun. 2026.

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