1
: being large, thick, or exceptionally prominent
2
a
: of, involving, or intended for use with relatively large quantities or on a large scale
b
: of or relating to macroeconomics
3
4
: of or relating to a macro lens or to close-up photography

macro

2 of 3

noun

plural macros
: a single computer instruction that stands for a sequence of operations

macro-

3 of 3

combining form

: large : on a large scale
macrofossil
macromolecule
macroscopic
often used in compounds with a corresponding compound formed with micro-

Examples of macro in a Sentence

Recent Examples on the Web
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Adjective
There’s no single ideal macro breakdown, but general guidelines recommend 45–65% of daily calories from carbohydrates, 20–35% from fat, and 10–35% from protein. Jillian Kubala, HEALTH, 7 Aug. 2026 Last month, Jim Reid, Deutsche Bank Research Institute’s global head of macro and thematic research, warned AI productivity gains were still years away. Sasha Rogelberg, Fortune, 7 Aug. 2026
Noun
These macros are needed in large amounts each day, unlike micronutrients—like specific vitamins and minerals—which your body needs less of daily. Jillian Kubala, HEALTH, 7 Aug. 2026 Engineered for students who take gaming as seriously as their studies, the Razer Basilisk V3 X HyperSpeed combines an iconic ergonomic shape with nine customizable controls for macros and shortcuts. Juhi Wadia, PC Magazine, 5 Aug. 2026 See All Example Sentences for macro

Word History

Etymology

Adjective

independent use of macro-

Noun

short for macroinstruction, from macro- + instruction

Combining form

borrowed from Greek makro-, combining form of makrós "long, tall, high, large" — more at meager

First Known Use

Adjective

1933, in the meaning defined at sense 2a

Noun

1959, in the meaning defined above

Time Traveler
The first known use of macro was in 1933

Browse Nearby Words

Cite this Entry

“Macro.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/macro. Accessed 12 Aug. 2026.

Kids Definition

macro

noun
mac·​ro
ˈmak-rō
plural macros
: a single computer instruction that represents a series of operations

Medical Definition

1
: large, thick, or excessively developed
macro layer of the cerebral cortex
2
a
: of or involving large quantities : intended for use with large quantities
a macro procedure in analysis
carrying out a test on a macro scale
b
: gross sense 1b
the macro appearance of a specimen

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