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  • fab
    fab
    adjective
  • FAB
    FAB
    abbreviation
    flavoured alcoholic beverage
  • F.A.B.
    F.A.B.
    interjection
    an expression of agreement to, or acknowledgment of, a command
Synonyms

fab

1 American  
[fab] / fæb /

adjective

Slang.
  1. fabulous.


fab 2 American  
[fab] / fæb /

noun

  1. a factory for manufacturing, especially one for manufacturing the semiconductor devices used in computers and other advanced electronics (often used attributively).

    The newly built fab will create jobs in the community.

    He is an advisor at a fab lab nearby.


FAB 1 British  

abbreviation

  1. flavoured alcoholic beverage

  2. fuel air bomb

"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

fab 2 British  
/ fæb /

adjective

  1. short for fabulous

"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

interjection

  1. an expression of approval or enthusiasm

"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
F.A.B. 3 British  

interjection

  1. an expression of agreement to, or acknowledgment of, a command

"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 fab1

First recorded in 1960–65; by shortening

Origin of fab2

First recorded in 1980–85; shortened from fabrication ( def. )

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.

While constructing the "Smart Power Fab" came at a high cost, the subsequent unit production cost of the microchips will be minimal, say experts.

From Barron's • Jul. 2, 2026

One half of Milli Vanilli's public-facing duo, Fab Morvan, said he will also perform as scheduled.

From BBC • May 30, 2026

Listen to the entire conversation with Tiffany on “Everything Fab Four” and subscribe via Spotify, Apple, Google or wherever you’re listening.

From Salon • May 7, 2026

One of the more interesting themes Spitz develops is the symbiotic relationship between the Beatles and Stones, with the Fab Four mostly overshadowing them — until they didn’t.

From Los Angeles Times • Apr. 20, 2026

“No, Fab. How are you? I don’t want you to worry about me. How are your cousins, and my dear sister? How is school? Fab, tell me that you are studying lots.”

From "American Street" by Ibi Zoboi

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