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sedulous

[sej-uh-luh s]
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adjective
  1. diligent in application or attention; persevering; assiduous.
  2. persistently or carefully maintained: sedulous flattery.

Origin of sedulous

1530–40; < Latin sēdulus, adj. derivative of the phrase sē dolō diligently, literally, without guile; replacing sedulious (see sedulity, -ous)
Related formssed·u·lous·ly, adverbsed·u·lous·ness, nounun·sed·u·lous, adjectiveun·sed·u·lous·ly, adverbun·sed·u·lous·ness, noun

Synonyms

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1. constant, untiring, tireless.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for sedulous

Historical Examples

  • But if these gallants were sedulous, she was correspondingly indifferent.

    Under the Rose</p>

    Frederic Stewart Isham

  • But there is nothing young in this sedulous suppression of toil.

    American Sketches

    Charles Whibley

  • She wondered what sort of herbs they were, which the old man was so sedulous to gather.

    The Scarlet Letter

    Nathaniel Hawthorne

  • "Will you kindly leave the room," he said to the sedulous Mary.

    Cripps, the Carrier</p>

    R. D. (Richard Doddridge) Blackmore

  • He was, however, not often aware of this sedulous espionage.

    The Destroying Angel</p>

    Louis Joseph Vance


British Dictionary definitions for sedulous

sedulous

adjective
  1. constant or persistent in use or attention; assiduous; diligent
Derived Formssedulity (sɪˈdjuːlɪtɪ) or sedulousness, nounsedulously, adverb

Word Origin

C16: from Latin sēdulus, of uncertain origin
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

Word Origin and History for sedulous

adj.

1530s, from Latin sedulus "attentive, painstaking, diligent, busy, zealous," probably from sedulo (adv.) "sincerely, diligently," from sedolo "without deception or guile," from se- "without, apart" (see secret) + dolo, ablative of dolus "deception, guile," cognate with Greek dolos "ruse, snare." Related: Sedulously; sedulousness.

Online Etymology Dictionary, © 2010 Douglas Harper