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  • sec
    sec
  • SEC
    SEC
    Securities and Exchange Commission: a board, consisting of five members, charged with regulating the public offer and sale of securities.
  • sec.
    sec.
    abbreviation
    second.
Synonyms

sec

1 American  
sec 2 American  
[sek] / sɛk /

adjective

  1. (of wines) dry; not sweet.


sec 3 American  
[sek] / sɛk /

noun

Informal.
  1. second.


SEC 4 American  
Or S.E.C.
U.S. Government.
  1. Securities and Exchange Commission: a board, consisting of five members, charged with regulating the public offer and sale of securities.


sec. 5 American  

abbreviation

  1. second.

  2. secondary.

  3. secretary.

  4. section.

  5. sector.

  6. according to.


sec 1 British  
/ sɛk /

abbreviation

  1. secant

"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

sec 2 British  
/ sɛk /

adjective

  1. (of wines) dry

  2. (of champagne) of medium sweetness

"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

SEC 3 British  

abbreviation

  1. Securities and Exchange Commission

"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

sec. 4 British  

abbreviation

  1. second (of time)

  2. secondary

  3. secretary

  4. section

  5. sector

"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

sec 5 British  
/ sɛk /

noun

  1. informal short for second 2

    wait a sec

"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

sec Scientific  
  1. Abbreviation of secant


Etymology

Origin of sec2

From French, dating back to 1885–90; see origin at sack 3

Origin of sec3

First recorded in 1955–60; by shortening

Origin of sec.5

From the Latin word secundum

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.

"I was waving at my friend and sister like 'I'll be home in a sec just doing a loop round the block!'," he says about the Europa League celebrations.

From BBC • Apr. 29, 2026

Caporale suggests adding agave nectar to sweeten the lime juice base, along with orange juice or orange peel to compensate for the lack of triple sec.

From Salon • Jan. 18, 2026

Unperturbed by the battle unfolding behind him, Marquez crossed the finish line in 40 min 09.249 sec.

From Barron's • Oct. 26, 2025

The Trojans are 5-1 in a new era where even two-loss teams can qualify and, OK, just play along here for a sec.

From Los Angeles Times • Oct. 12, 2025

They looked at each other for a sec, and then Mong looked away.

From "We Were Here" by Matt De La Peña

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