Etymologically

crack

Etymology and origin of the English word crack

Confidence
Established
Formation
Inherited
First attested
c. 1000
Inherited from
Middle English crak via Middle English, Old English
Ultimate origin
Proto-Germanic (*krakojan)

Pronunciation

  • IPA: /kræk/[1]

Etymology

It is inherited from Middle English craken, inherited from Old English cracian (“to make a sharp noise”),[2][3][4] from Proto-Germanic *krakojan, the source also of Dutch kraken and German krachen,[2][3] probably imitative.[2] The noun is inherited from Middle English crak, from the verb, compare Middle Dutch crak and German Krach.[3][2][5]

Earliest recorded meaning

To make a sharp noise: about 1000 in Old English.[3][2][6]

Semantic evolution

To burst or split open is from about 1300,[2] and the noun, a split or narrow opening, from about 1450.[3][2] To speak loudly or boastfully is from the late 14th century,[2][4] and crack a joke by 1732.[2] A voice cracking as a boy becomes a man is from about 1600.[2] The adjective, first-class, as in crack troops, is from 1793.[3] In Scotland a crack is a chat, and the Irish crack or craic, lively company, is first recorded in the 1920s.[7][2] To have a crack at, to attempt, is from 1836,[6] crack a smile from 1835 in American English, and get cracking by 1937.[2] Crack cocaine, named for the cracking sound of the crystals when heated, is attested by 1985.[2][7]

Timeline

  • c. 1000 – to make a sharp noise.[3]
  • c. 1300 – to split.[2]
  • c. 1450 – noun, a split.[3]
  • 1732 – crack a joke.[2]
  • 1793 – adjective, first-class.[3]
  • 1985 – crack cocaine.[2]

Modern meaning

Verb

  1. To break or cause to break without coming completely apart.
  2. To break with a sudden sharp sound: crack a nut.
  3. To make a sharp snapping sound: crack a whip.
  4. Of the voice, to change tone suddenly.
  5. To break down under pressure.
  6. To solve a problem or break a code.
  7. To tell a joke.

Noun

  1. A narrow break or opening.
  2. A sudden sharp noise.
  3. (informal) An attempt: have a crack at it.
  4. A strong form of cocaine.

Adjective

  1. Excellent, first-class: a crack shot.

Word family

  • crackable
  • crackless
  • crack-up
  • crackback
  • cracked
  • cracker
  • crackle
  • crackpot
  • crackerjack
  • craic
  • creak

References

  1. ^ Jones, Daniel (2011), Cambridge English Pronouncing Dictionary, 18th ed., ed. Peter Roach, Jane Setter and John Esling, Cambridge: Cambridge University Press
  2. ^ a b c d e f g h i j k l m n o p Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  3. ^ a b c d e f g h i Barnhart, Robert K. (1988), The Barnhart Dictionary of Etymology
  4. ^ a b Hoad, T. F., ed. (1986), The Concise Oxford Dictionary of English Etymology, Oxford: Clarendon Press
  5. ^ Shorter Oxford English Dictionary on Historical Principles (2002), 5th ed., ed. William R. Trumble and Angus Stevenson, Oxford: Oxford University Press
  6. ^ a b Simpson, J. A.; Weiner, E. S. C., eds. (1989), The Oxford English Dictionary, 2nd ed., Oxford: Clarendon Press
  7. ^ a b Cresswell, Julia (2021), Oxford Dictionary of Word Origins, 3rd ed., Oxford: Oxford University Press

Related etymologies

  • knee · also from Old English
  • foster · also from Old English
  • fleet · also from Old English
  • teen · also from Old English
  • priest · also from Old English
  • trap · also from Old English
  • shake · also from Old English
  • blast · also from Old English
Cite this entry

“Crack.” Etymologically, 16 Oct. 2026, etymologically.com/en/crack. Accessed 16 Oct. 2026.

Last edited on . ·