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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
That’s because bank stocks are particularly difficult to forecast, given that their performance depends heavily on macro factors rather than information that management might have about the company. — Morgan Chittum, Fortune, 8 Oct. 2026 Part of this decline was tied to macro concerns about inflationary pressures and interest rates, which have impacted the entire retail segment. — Jeff Marks, CNBC, 7 Oct. 2026
Noun
Morgan Stanley weighed in on this macro versus micro debate on Wednesday. — Jeff Marks, CNBC, 7 Oct. 2026 Those range from the macro-industrial such as aircraft parts and underwater pipelines to the micro-medical such as stents that prop open bodily channels for bodily fluids. — New Atlas, 2 Oct. 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 13 Oct. 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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