Etymologically

alacrity

Etymology and origin of the English word alacrity

Formation
Borrowing
Borrowed from
Latin alacritas
Etymology tree
inherited borrowed derived
Latin alacritas
English alacrity

Pronunciation

  • IPA: /əˈlakrᵻti/, /əˈlæk.rə.ti/[1]

Etymology

It is borrowed from Latin alacritās (“liveliness, eagerness”),[2][3][4][5][6] from Latin alacer (“lively, brisk, eager”),[2][4][5] a word of uncertain origin.[4] It may be related to Gothic aljan “zeal” and Old English ellen “courage, zeal”.[3][4]

Earliest recorded meaning

Liveliness or briskness (mid-15th century).[4][3]

Semantic evolution

The word has always combined two ideas, eagerness and speed.[2][6][1] In current use it most often describes the cheerful readiness with which someone accepts or does something.[5][6]

Timeline

  • before 1460 – first recorded.[3][4]
  • about 1510 – briskness, cheerful readiness.[7]

Modern meaning

Noun

  1. Cheerful readiness or eagerness.
  2. Speed or briskness.

Word family

  • alacritous
  • allegretto
  • allegro

Usage notes

Random House gives eagerness, keenness, fervor and zeal as synonyms, and sprightliness and agility for the sense of briskness.[6]

References

  1. ^ a b Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c The American Heritage Dictionary of the English Language (1992), 3rd ed., Boston: Houghton Mifflin
  3. ^ a b c d Barnhart, Robert K., ed. (1995), The Barnhart Concise Dictionary of Etymology, New York: HarperCollins
  4. ^ a b c d e f Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  5. ^ a b c Merriam-Webster's Collegiate Dictionary (2003), 11th ed., Springfield, Mass.: Merriam-Webster
  6. ^ a b c d Random House Webster's Unabridged Dictionary (1999), 2nd ed., New York: Random House
  7. ^ Simpson, J. A.; Weiner, E. S. C., eds. (1989), The Oxford English Dictionary, 2nd ed., Oxford: Clarendon Press

Related etymologies

Cite this entry

“Alacrity.” Etymologically, 13 Oct. 2026, etymologically.com/en/alacrity. Accessed 13 Oct. 2026.

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