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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:

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

If I’m in the cooking mood, I love making comfort food like chicken and rice with cabbage and mac and cheese.

From Los Angeles Times Apr. 10, 2026

I once ordered it at a chain restaurant that shall remain diplomatically unnamed, only to discover that it was functionally identical to the toddler’s mac and cheese at our table.

From Salon Apr. 7, 2026

Berkshire has indicated it might sell its entire 27.5% stake in the maker of condiments and mac & cheese.

From The Wall Street Journal Jan. 22, 2026

Empty baby bottles and opened boxes of mac ‘n’ cheese were surrounded by stuffed animals on the countertop.

From "Sir Fig Newton and the Science of Persistence" by Sonja Thomas

The program, dubbed Apple Upgrade, will offer 12- and 24-month leasing options for iPhone and Apple Watch, and 24- and 36-month terms for Mac and iPad.

From The Wall Street Journal Jul. 28, 2026

At the end of 2025, the weekly national average interest rate for 30-year fixed mortgage loans in the U.S. was 6.15%, according to Freddie Mac.

From MarketWatch Jul. 24, 2026

Mac and cheese is on the menu for dinner — and it’s made extra decadent, courtesy of chicken stock.

From Salon Jul. 22, 2026

Liverpool boss Andoni Iraola wants midfielder Alexis Mac Allister and goalkeeper Alisson to remain at the club.

From BBC Jul. 21, 2026

Mac led the way back to the kitchen and found some tissues so Alex could blow his nose.

From "Eleven" by Tom Rogers

“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

“It’s okay by me, Mac. See that you stick to it.”

From "A Tree Grows in Brooklyn" by Betty Smith

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

On Tuesdays and Wednesdays, that means the MAC.

From The Wall Street Journal Dec. 24, 2025

“I know Brock Purdy HAS to start if he’s healthy but this is a hot hand situation right now and MAC is rolling!”

From The Wall Street Journal Nov. 13, 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

I thought, true as steel, They would both come to heel, Making up for the pack Whistled off by false MAC, As though he'd ever shoot with my patience and skill!

From Punch, or the London Charivari, Volume 101, August 15, 1891 by Various

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