Etymologically
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shady

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Pronunciation

Etymology

It is formed from English shade + -y.[2][3][4][5][6] The noun shade goes back to Old English sceadu (“shade, shadow”).[3][2] Old English had a different adjective, sceadlic (“shady”), and the Elizabethans also used shadeful.[3]

Earliest recorded meaning

Giving shade: the first record is in Spenser's Shepheardes Calender (1579).[2][5][3]

Semantic evolution

Within a decade the adjective also meant "shaded, protected by shade" (1589, in Greene),[2][3] and, in Sidney (before 1586), "living in the shade", of someone choosing retirement and safety.[2] In the 17th century it could mean "opaque, dark" (from 1605, in Bacon) or "shadowy, faintly perceptible" (1626), senses now obsolete,[2][4] and poets later called the night shady (1746–1896).[2] Johnson (1755) defined it as full of shade and sheltered from glare.[7] The figurative phrase on the shady side of, older than a given age, is recorded from 1807.[2][3] The colloquial sense "of questionable merit, unreliable" appears in 1848, in Clough's Bothie of Toper-na-Fuosich, and the OED suggests it began as university slang;[2][3] by 1862 it meant "disreputable, unable to bear investigation".[2][3] Etymonline thinks the later sense may come from or have been strengthened by the earlier one, perhaps on the notion of something that cannot bear the light.[3] American college slang of 1856 used shady for "dull, slow", and later American slang for "odd" or "secretive".[8] In Northamptonshire dialect it meant shy.[9]

Timeline

  • 1579 – giving shade, in Spenser.[2][5]
  • before 1586 – living in the shade, choosing retirement.[2]
  • 1589 – shaded, protected by shade.[2]
  • 1605 – opaque, dark (obsolete).[2]
  • 1807 – on the shady side of, older than.[2]
  • 1848 – of questionable merit, unreliable.[2][3]
  • 1862 – disreputable, not bearing investigation.[2][3]

Modern meaning

Adjective

  1. Giving shade: a shady chestnut tree.
  2. Sheltered from the sun; shaded: They ate lunch on a shady terrace.
  3. (informal) Of doubtful honesty or legality; disreputable: a shady property dealer.
  4. on the shady side of: older than a given age.

Word family

  • shadily
  • shadiness
  • unshady

References

  1. ^ Wiktionary, the free dictionary, https://en.wiktionary.org
  2. ^ a b c d e f g h i j k l m n o p q Oxford English Dictionary Online (accessed March 2026), Oxford: Oxford University Press
  3. ^ a b c d e f g h i j k Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
  4. ^ a b Shorter Oxford English Dictionary on Historical Principles (2002), 5th ed., ed. William R. Trumble and Angus Stevenson, Oxford: Oxford University Press
  5. ^ a b c Merriam-Webster Unabridged Dictionary (2024), online ed., Springfield, Mass.: Merriam-Webster
  6. ^ Dictionary.com Unabridged (2016), based on the Random House Unabridged Dictionary, New York: Random House
  7. ^ Johnson, Samuel (1755), A Dictionary of the English Language, London; 4th ed. 1773; Johnson's Dictionary Online, ed. Beth Rapp Young et al.
  8. ^ Green, Jonathon (2010), Green's Dictionary of Slang, London: Chambers; digital ed. 2016–, https://greensdictofslang.com
  9. ^ Wright, Joseph, ed. (1898–1905), The English Dialect Dictionary, 6 vols., Oxford: Henry Frowde; via EDD Online 4.0, University of Innsbruck (CC BY 4.0)