sedulous

se·dul·ous
S1E1D2U1L1O1U1S1
UK/ˈsɛd͡ʒʊləs/UK/ˈsɛdjʊ-/US/ˈsɛd͡ʒələs/

adjective

Of a person: diligent in application or pursuit; constant and persevering in business or in endeavours to effect a goal; steadily industrious.

Scrabble 9

Meanings

adjectivesedulous (comparative more sedulous, superlative most sedulous)

comparative more sedulous · superlative most sedulous

  1. Of a person: diligent in application or pursuit; constant and persevering in business or in endeavours to effect a goal; steadily industrious.

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

    1850, Nathaniel Hawthorne, “Hester and Pearl”, in The Scarlet Letter, a Romance, Boston, Mass.: Ticknor, Reed, and Fields, →OCLC, page 212
    5 more examples

    Since firſt this Subject for Heroic Song / Pleaſ'd me long chooſing, and beginning late; / Not ſedulous by Nature to indite / Warrs, hitherto the onely Argument / Heroic deem'd, [...]

    1667, John Milton, “Book IX”, in Paradise Lost. […], London: […] [Samuel Simmons], and are to be sold by Peter Parker […]; [a]nd by Robert Boulter […]; [a]nd Matthias Walker, […], →OCLC; republished as Paradise Lost in Ten Books: […], London: Basil Montagu Pickering […], 1873, →OCLC, lines 25–29

    His [Edward III of England's] parliament made frequent remonſtrances againſt this baſe oblivion of himſelf: the parliaments, at this time, were not as formerly, factions ready to oppreſs public liberty, but aſſemblies of wiſe and good men, ſedulous for common welfare, and of wiſdom equal to the rectitude of their intentions; [...]

    1764, [Oliver Goldsmith], “Letter XIX”, in An History of England, in a Series of Letters from a Nobleman to His Son, London: Printed for J[ohn] Newbery, […], →OCLC, page 137; republished London: Printed for T. Carnan and F[rancis] Newbery, Jun. […], 1772, →OCLC, page 141

    Next day, she moved into a small room in a lodging-house off the Edgware Road, and there for a whole week she was sedulous in the practice of her tricks.

    1911, Max Beerbohm, chapter II, in Zuleika Dobson

    Leading the life I did, of the sedulous, strained nurse, I had to do something to keep myself fit.

    1915, Ford Madox Hueffer [i.e., Ford Madox Ford], chapter I, in The Good Soldier […], Harmondsworth, Middlesex [London]: Penguin Books, published 1972 (1982 printing), →ISBN, part I, page 15

    The pretty setting and glittering ship and dashing staff and sedulous servants and solicitous fun-managers all want something from me, and it’s not just the price of my ticket—they’ve already got that.

    1997, David Foster Wallace, “A Supposedly Fun Thing I’ll Never Do Again”, in A Supposedly Fun Thing I’ll Never Do Again: Essays and Arguments, Boston, Mass.: Little, Brown and Company, →ISBN

    Synonyms: assiduous, assiduous, diligent, dogged, hardworking, industrious, notable, studious

  2. Of an activity: carried out with diligence.

    The Scots have always been a fiercely independent people, but it surprised me how far this sedulous process of separation has gone already.

    2010 March 9, Paul Routledge, “Scotland is turning into another country … loch, stock and barrel”, in Daily Mirror, London: Reach plc, →ISSN, →OCLC
    4 more examples

    Now as there are many great wits to be condemned, who have neglected the increment of Arts, and the ſedulous purſuit of knowledge; ſo are there not a few very much to be pittied, whoſe induſtry being not attended with naturall parts, they have ſweat to little purpoſe, and rolled the ſtone in vain.

    1650, Thomas Browne, “Of the Nearer and More Immediate Causes of Popular Errours, […]”, in Pseudodoxia Epidemica: […], 2nd edition, London: […] A[braham] Miller, for Edw[ard] Dod and Nath[aniel] Ekins, […], →OCLC, 1st book, page 14

    Miss [Elizabeth] Branwell's affectionate regard for her dead sister's [Maria Branwell's] children caused her to take deep interest in everything relating to them, their health, the comfort and cleanliness of their home, and the sedulous culture of their minds.

    1886, Francis A. Leyland, “The Rev. Patrick Brontë”, in The Brontë Family: With Special Reference to Patrick Branwell Brontë [...] In Two Volumes, volume I, London: Hurst and Blackett, publishers, […], →OCLC, page 55

    He had much to learn about boys, and he learnt not by direct observation—for which he believed he was unfitted—but by sedulous imitation of the more experienced masters.

    1907, E.M. Forster, The Longest Journey, Part II, XVII [Uniform ed., p. 169]

    With the right equipment, an indoor grower could create a utopia for his plants, an artificial habitat more perfect than any in nature, and his happy, happy weeds would respond. These sedulous attentions would be wasted on male plants, which are worse than useless in sinsemilla production.

    2001, Michael Pollan, “Desire: Intoxication/Plant: Marijuana”, in The Botany of Desire: A Plant’s-Eye View of the World, New York, N.Y.: Random House, →ISBN, page 135; republished New York, N.Y.: Random House, 2014, →ISBN

Synonyms & antonyms

adjectiveOf a person: diligent in application or pursuit; constant and persevering in business or in endeavours to effect a goal; steadily industrious.

More synonyms by meaning

adjectivemarked by care and persistent effort

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*del-“to count, reckon”
  2. Latinsēdulus“diligent, industrious, sedulous; solicitous; unremitting; zealous”
  3. Englishsedulous

From Latin sēdulus (“diligent, industrious, sedulous; solicitous; unremitting; zealous”) + English -ous. Sēdulus is probably derived from sēdulō (“diligently; carefully; purposely; zealously”) (possibly from sē- (prefix meaning ‘without’) + dolō (ablative singular of dolus (“deceit, deception; evil intent, malice”), ultimately from Proto-Indo-European *del- (“to count, reckon”))) + -us (suffix forming adjectives).

Full word history & related roots →

Translations

Bulgarian усърден, прилежен
  • усърден (usărden)of a person: diligent in application or pursuit
  • прилежен (priležen)of an activity: carried out with diligence
Dutch onverdroten
  • onverdrotenof a person: diligent in application or pursuit
Finnish väsymätön
  • väsymätönof a person: diligent in application or pursuit
French assidu, diligent
  • assiduof a person: diligent in application or pursuit
  • diligentof a person: diligent in application or pursuit
  • persévérantof a person: diligent in application or pursuit
  • zéléof a person: diligent in application or pursuit
German eifrig, emsig
  • eifrigof a person: diligent in application or pursuit
  • emsigof a person: diligent in application or pursuit
  • gewissenhaftof a person: diligent in application or pursuit
Italian diligente, meticoloso
  • diligenteof a person: diligent in application or pursuit
  • meticolosoof a person: diligent in application or pursuit
  • solerteof a person: diligent in application or pursuit
Japanese 勤勉な, せっせと働く
  • 勤勉な (kinbenna)of a person: diligent in application or pursuit
  • せっせと働く (sessetohataraku)of a person: diligent in application or pursuit
Latin sēdulus
  • sēdulusof a person: diligent in application or pursuit
Polish skrzętny, gorliwy
  • skrzętnyof a person: diligent in application or pursuit
  • gorliwyof a person: diligent in application or pursuit
  • pilnyof a person: diligent in application or pursuit
  • skrzętnyof an activity: carried out with diligence
  • gorliwyof an activity: carried out with diligence
  • pilnyof an activity: carried out with diligence
Portuguese diligente
  • diligenteof a person: diligent in application or pursuit
Romanian asiduu, perseverent
  • asiduuof a person: diligent in application or pursuit
  • perseverentof a person: diligent in application or pursuit
  • stăruitorof a person: diligent in application or pursuit
Russian приле́жный, стара́тельный
  • приле́жный (priléžnyj)of a person: diligent in application or pursuit
  • стара́тельный (starátelʹnyj)of a person: diligent in application or pursuit
  • упо́рный (upórnyj)of a person: diligent in application or pursuit
  • усе́рдный (usérdnyj)of a person: diligent in application or pursuit
Scottish Gaelic dùrachdach
  • dùrachdachof a person: diligent in application or pursuit
Swedish flitig, oförtruten
  • flitigof a person: diligent in application or pursuit
  • oförtrutenof a person: diligent in application or pursuit
  • trägenof a person: diligent in application or pursuit
Ukrainian стара́нний
  • стара́нний (staránnyj)of a person: diligent in application or pursuit
Cite this entry
APA

sedulous. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/sedulous

MLA

“sedulous.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sedulous. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “sedulous,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/sedulous.

Source: sedulous on Wiktionary, CC BY-SA 4.0.