Also found in: Thesaurus.


1. Involving great labor; laborious.
2. Industrious; diligent.

[Latin operōsus, from opus, oper-, work; see op- in Indo-European roots.]

op′er·ose′ly adv.
op′er·ose′ness n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. laborious
2. industrious; busy
[C17: from Latin operōsus painstaking, from opus work]
ˈoperˌosely adv
ˈoperˌoseness, operosity n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈɒp əˌroʊs)

done with or involving much labor; tedious.
[1660–70; < Latin operōsus busy, active =oper- (s. of opus) work + -ōsus -ose1]
op′er•ose`ly, adv.
op′er•ose`ness, n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.operose - characterized by effort to the point of exhaustionoperose - characterized by effort to the point of exhaustion; especially physical effort; "worked their arduous way up the mining valley"; "a grueling campaign"; "hard labor"; "heavy work"; "heavy going"; "spent many laborious hours on the project"; "set a punishing pace"
effortful - requiring great physical effort
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Frederick, CO, January 08, 2019 --(PR.com)-- Expanding its services and capacity to meet the growing demand for U.S.-based manufacturing, Operose Manufacturing closed on its acquisition of 3-D CNC on December 28th, 2018.
Presence of comorbidities which are divergent per patient combined with increasing patient age not only makes diagnostic decisions operose but also further delays operation time thus adding on to mortality than death due to PPU in itself.
[2] Cesaree dignitatis celsitudinem et precelse deuotionis feruorem ac ingentem in sactam sedem apostolicam obseruantiam, quibus carissimus in xristo filius noster Carolus Romanorum Imperator semper Augustus et Ispaniarum rex Catholicus clarere dignoscitur necnon operose solicitudinis studia que idem Carolus Imperator pro diuini nominis gloria et unitate sancte Romane Ecclesie conseruanda adhibuit hactenus et adhibet indefesse, intra mentis nostre armarium digne reuoluentes, ad ea nostri partes officii libenter extendimus per que nedum eius maiestati honor et decus acrescant et se benemeritis munificum reddere possint, verum etiam sibi ab eadem sede gratiose concessa, omni sublata ambiguitate, nostri ope ministerii in sui roboris integritate seruentur.
When the stories cross over into an almost self-consciously operose quest for "significance," as "Nails" and "Stones" do, it is hard not to question the choice to make this collection more broadly available.
After nearly 18 months of operose negotiations, John Kerry, the de facto leader of the Western negotiators, and Javad Zarif, Iran's gregarious, yet judicious, Foreign Minister, have ultimately arrived at a juncture whereby the mutual interests shared by the parties, outweigh past transgressions.
The prosecution said that addressing the technical questions on the forensic investigation to be conducted by the NBI should have been simple, but Estrada made it an operose task.
Where Browning examines humanity "with the firm knowing hand of the anatomist," the "professed doctors of psychology" cannot offer more than "dry operose quackery" (172).