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1. Marked by or requiring long, hard work: spent many laborious hours on the project.
2. Hard-working; industrious.

[Middle English, from Old French laborieux, from Latin labōriōsus, from labor, labor.]

la·bo′ri·ous·ly adv.
la·bo′ri·ous·ness n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.laboriousness - the quality of requiring extended effort
effortfulness - the quality of requiring deliberate effort
تَعَب، إرْهاق


(American) labor (ˈleibə) noun
1. hard work. The building of the cathedral involved considerable labour over two centuries; People engaged in manual labour are often badly paid.
2. workmen on a job. The firm is having difficulty hiring labour.
3. (in a pregnant woman etc) the process of childbirth. She was in labour for several hours before the baby was born.
4. used (with capital) as a name for the Socialist party in the United Kingdom.
1. to be employed to do hard and unskilled work. He spends the summer labouring on a building site.
2. to move or work etc slowly or with difficulty. They laboured through the deep undergrowth in the jungle; the car engine labours a bit on steep hills.
laborious (ləˈboːriəs) adjective
difficult; requiring hard work. Moving house is always a laborious process.
laˈboriously adverb
laˈboriousness noun
ˈlabourer noun
a workman who is employed to do heavy work requiring little skill. the labourers on a building site.
ˈlabour court noun
a court of law for settling disputes between management and workers.
ˈlabour dispute noun
a disagreement between management and workers about working conditions, pay etc.
ˈlabour-saving adjective
intended to lessen work. washing-machines and other labour-saving devices.
References in classic literature ?
Will only thought of giving a good pinch that would annihilate that vaunted laboriousness, and was unable to imagine the mode in which Dorothea would be wounded.
To this short time allowed for labour I desire may be added the exceeding laboriousness of my work; the many hours which, for want of tools, want of help, and want of skill, everything I did took up out of my time.
The jury evaluated the individual approach of the contestants, the originality of the performance, the condition of the plants, the laboriousness of implementation and the practical significance in each work.
Malmquist perfectly captures the oppression and laboriousness of various systems -- from hospitals to social security to mortuary services.
What we are chiefly struck with is the minute laboriousness of the execution.
Looking in turn at the autographic subscriptions then at the large letters, he considers such topics as the laboriousness of letter writing in antiquity, the Greek literary letter-writing tradition, Paul's letter writing in the light of contemporary epistolary conventions, "with what large letters" in Galatians 6:11, letters in various languages excavated in eastern Judaea, and Greek letters excavated in Middle and Upper Egypt.
The need for effective planning and management is on the increase along with the increasing complexity and laboriousness of making changes or creating new value.
These are the reasons why it is possible to make construction process faster, to reduce laboriousness, and to reduce demands on machines and equipment (e.
He takes up this job throughout his life and never complains about its hardness and laboriousness.
He later points out that this is the same structure of Weber's Protestant Ethic: "a history that begins with the 'capitalist adventurer,' but where the ethos of laboriousness eventually brings about the 'rational tempering of his irrational impulse'" (32).
Unlike Montesquieu's climatological theories of labour or Mandeville's defence of laboriousness as money-driven, the Spanish reformers saw the rotten roots of laziness in a lack of appreciation for earthly life, which resulted from religious superstition.
faticosita laboriousness virtuosismo virtuosity leper lebbrosario colony 10.