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  • mac
    mac
    noun
    fellow; bud (a familiar term of address to a man or boy whose name is not known to the speaker).
  • Mac
    Mac
    noun
    a male given name.
  • Mac.
    Mac.
    abbreviation
    Maccabees.
  • M.Ac.
    M.Ac.
    abbreviation
    Master of Accountancy.
  • Mac-
    Mac-
    a prefix found in many family names of Irish or Scottish Gaelic origin, as MacBride and Macdonald.
  • MAC
    MAC
    abbreviation
    multiplexed analogue component: a transmission coding system for colour television using satellite broadcasting
Synonyms

mac

1 American  
[mak] / mæk /

noun

(often initial capital letter)
  1. fellow; bud (a familiar term of address to a man or boy whose name is not known to the speaker).


mac 2 American  
[mak] / mæk /
Or mack

noun

Informal.
  1. a mackintosh.

  2. McIntosh.


mac 3 American  
[mak] / mæk /
Mac 4 American  
[mak] / mæk /

noun

  1. a male given name.


Mac. 5 American  

abbreviation

  1. Maccabees.


M.Ac. 6 American  

abbreviation

  1. Master of Accountancy.


Mac- 7 American  
Also Mc-,
  1. a prefix found in many family names of Irish or Scottish Gaelic origin, as MacBride and Macdonald.


Mac 1 British  
/ mæk /

noun

  1. an informal term of address to a man

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

MAC 2 British  

abbreviation

  1. multiplexed analogue component: a transmission coding system for colour television using satellite broadcasting

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Mac. 3 British  

abbreviation

  1. Maccabees (books of the Apocrypha)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Mac- 4 British  

prefix

  1. (in surnames of Scottish or Irish Gaelic origin) son of

    MacDonald

    MacNeice

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

mac 5 British  
/ mæk /

noun

  1. informal short for mackintosh mackintosh

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of mac1

First recorded in 1650–60; special use of Mac

Origin of mac2

Shortened form

Origin of mac3

Shortened form

Origin of Mac-7

< Irish, Scots Gaelic mac son, Old Irish macc; akin to Welsh, Cornish mab


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Chicken, mac and cheese and broccoli were served, Smith told ABC’s “The View.”

From The Wall Street Journal ● Oct. 31, 2026

The grill leans into comfort foods and Americana with crab cakes, spinach artichoke dip, a Lucas-favorite chopped salad, jumbo-prawn cocktails, mac and cheese, and pigs in a blanket.

From Los Angeles Times ● Sep. 17, 2026

Goodles introduced its take on mac and cheese online in 2021, marketing its products as “Noodles, Gooder” by virtue of their protein and fiber content.

From The Wall Street Journal ● Sep. 2, 2026

The offerings include returning items, such as a smoky burger and chicken sandwich, plus a new side — mac and cheese.

From MarketWatch ● Apr. 29, 2026

“Your mac and cheese recipe! Grandma and I had it for lunch. It tasted really good.”

From "From the Desk of Zoe Washington" by Janae Marks

Outside of the apps, I was curious about how the Mac interface itself felt.

From The Wall Street Journal ● Oct. 28, 2026

After Alexis Mac Allister pulled one back, Ngumoha found space to dink in a delightful ball that was met by Ronald Araujo for an equaliser.

From BBC ● Oct. 20, 2026

The FHFA, Fannie Mae and Freddie Mac all said in statements that the changes would modernize the credit-scoring system, making it more predictive, and create a safer and sounder market.

From The Wall Street Journal ● Oct. 12, 2026

Mizuho cut its price targets for Fannie Mae and Freddie Mac, citing rising mortgage rates and other obstacles to an exit from conservatorship.

From Barron's ● Oct. 12, 2026

She’s better than Ms. Mac was at getting A.J. to lower his voice.

From "The World According to Humphrey" by Betty G. Birney

“Mac Jones, for sure. Yeah, Mac. He’s the best,” Parker said.

From Washington Times ● Aug. 3, 2023

“My life was completely wrapped up in Fleetwood Mac. You can call in sick to a job, a boyfriend, even a husband, but you cannot call in sick to Fleetwood Mac – ever.”

From The Guardian ● Apr. 17, 2019

“It was only made for the Mac. It was less than one percent market share in the U.S. They like to say ‘low single digits.’

From The Verge ● Jun. 13, 2017

"He was the first person to buy a Mac. He was the first person to tell me about the Internet. I had no idea what he was talking about."

From Los Angeles Times ● Jul. 25, 2015

“Mac. Mac. Mac,” George said, saying Owen’s nickname with every panting breath he let out.

From "Two Degrees" by Alan Gratz

Apple tends to hold a second Mac- or iPad-focused event in the fall roughly every other year.

From Slate ● Sep. 11, 2018

Simply put: If your school requires any Mac- or Windows-only apps, then you can’t use an iPad in place of an actual laptop.

From Slate ● Jul. 27, 2018

Kathlene Mac- Donell is rather better as the cabaret performer.

From Time Magazine Archive

He went farther in ten days than did Britisher Mac- Laren, covering 5,468 miles in 45 hours and 20 minutes of actual flying time.

From Time Magazine Archive

While we were taking Bougainville, General Mac- Arthur’s forces would be landing on the western end of New Britain Island at Cape Gloucester to establish a new airfield there, too.

From "Code Talker: A Novel About the Navajo Marines of World War Two" by Joseph Bruchac

He said that its “consumer-facing” investments included opening new retail locations for its luxury fragrance brands while closing some of its MAC and Origins locations.

From MarketWatch ● Feb. 5, 2026

“Meanwhile, the MAC is out here playing real football in front of 14 people and a raccoon on a Tuesday night during a blizzard.”

From The Wall Street Journal ● Dec. 24, 2025

Yvonne Carvalho, a 5-foot dynamo with oversize black glasses and purple MAC lipstick, greeted the nurse anesthesiologist with a bear hug and questions about her dating life and her daughter.

From The Wall Street Journal ● Dec. 10, 2025

Inspired by her time as a UC Santa Barbara Chicano Studies major and retail jobs at stores like MAC Cosmetics, her gender inclusive and ethically made “Mexi-goth” brand was a hit out the gate.

From Los Angeles Times ● Oct. 30, 2025

Therefore the triangles KAC and MAC are equal, and the triangle ANC is also isosceles.

From An Elementary Course in Synthetic Projective Geometry by Derrick Norman Lehmer

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