Etymologically
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undue

This is the current revision of this entry, as edited by bogdan on 31 October 2026 at 23:52. This address is a permanent link to this version.
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Pronunciation

  • UK: /ʌnˈdjuː/[1]
  • US: /ʌnˈduː/, /ʌnˈdjuː/[1]

Etymology

It is formed from English un- + due,[2][3][4][5][6] first as inherited from Middle English undewe,[6][7] on the model of Old French indeu and Latin indēbitus.[2][3] The Shorter Oxford names indu as the model.[4] The base adjective comes from Old French deu, past participle of devoir (“to owe”), from Latin dēbeō (“to owe”).[3]

Earliest recorded meaning

Not properly owing or payable, as a debt: 1387, in John Trevisa's translation of Higden's Polychronicon;[2] Etymonline dates it to the late 14th century.[3]

Semantic evolution

From "not owed", the word passed in the late 14th century to "not appropriate, unseasonable" (1398, also in Trevisa) and to "unjustly demanded".[2][3] By the early 15th century it also meant contrary to what is just or lawful.[2][6] The modern main sense, "going beyond what is fitting; excessive", is dated by the OED only from before 1684,[2] and Hoad places it in the 17th century,[5] while Etymonline and the Shorter Oxford find it already in late Middle English.[3][4] The original sense "not yet payable" survives, though rarely.[4][8][6] Johnson (1755) gave "not right; not legal" and "not agreeable to duty".[9] In law, undue influence is pressure under which a person enters into a transaction without independent judgement.[4]

Timeline

  • 1387 – not properly owing or payable.[2]
  • 1398 – inappropriate, unseasonable.[2]
  • c. 1425 – unjust, unlawful.[2]
  • before 1684 – excessive, beyond what is warranted.[2]

Meanings

Adjective

  1. Greater than is reasonable or necessary; excessive or unwarranted: The new rules placed an undue burden on small shops.[8][6][2]
  2. Not suited to the occasion; improper or inappropriate.[6][2][4]
  3. Not just or legal: undue influence.[8][4][2]
  4. Of a debt or bond, not yet payable.[8][6][2]

Word family

  • unduly

Usage notes

Collins advises against phrases such as there is no cause for undue alarm, where the word is redundant.[8] Etymonline quotes Fowler's Dictionary of Modern English Usage (1926) making the same point about there is no need for undue alarm.[3]

References

  1. ^ a b Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j k l m n Oxford English Dictionary Online (accessed March 2026), Oxford: Oxford University Press
  3. ^ a b c d e f g Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  4. ^ a b c d e f g Shorter Oxford English Dictionary on Historical Principles (2002), 5th ed., ed. William R. Trumble and Angus Stevenson, Oxford: Oxford University Press
  5. ^ a b Hoad, T. F., ed. (1986), The Concise Oxford Dictionary of English Etymology, Oxford: Clarendon Press
  6. ^ a b c d e f g Merriam-Webster Unabridged Dictionary (2024), online ed., Springfield, Mass.: Merriam-Webster
  7. ^ Dictionary.com Unabridged (2016), based on the Random House Unabridged Dictionary, New York: Random House
  8. ^ a b c d e Collins English Dictionary (2023), Glasgow: HarperCollins
  9. ^ Johnson, Samuel (1755), A Dictionary of the English Language, London; 4th ed. 1773; Johnson's Dictionary Online, ed. Beth Rapp Young et al.