laborious

listen to the pronunciation of laborious
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Английский Язык - Английский Язык
Industrious
Mentally difficult; painstaking
Requiring much physical effort; toilsome
toilsome
{a} diligent in work, difficult, heavy
requiring much effort; physically or mentally difficult; gruelling
Requiring labor, perseverance, or sacrifices; toilsome; tiresome
If you describe a task or job as laborious, you mean that it takes a lot of time and effort. Keeping the garden tidy all year round can be a laborious task. + laboriously la·bo·ri·ous·ly the embroidery she'd worked on so laboriously during the long winter nights. taking a lot of time and effort laborious process/task/business etc
{s} tiresome, exhausting; hard, strenuous; constrained; dull, without spontaneity; industrious, diligent; careful and attentive to detail
characterized by toilsome 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"
Devoted to labor; diligent; industrious; as, a laborious mechanic
laborous
laborious task
{i} strenuous and exhausting task
laboriously
With great expenditure of effort, in a manner requiring much labor

He laboriously climbed the steep rock face, pulling himself up inch by inch.

laboriously
{a} with labor, with toil, carefully
laboriousness
{n} great labor, diligence, difficulty
Laboriousness
operosity
laboriously
in a laborious manner; "their lives were spent in committee making decisions for others to execute on the basis of data laboriously gathered for them
laboriously
in a laborious manner, with great effort; diligently, painstakingly; in a burdened manner, in a labored manner
laboriousness
the quality of requiring extended effort
laboriousness
{i} state of requiring a great deal of effort; state of demanding close attention; dullness; diligence
laborious
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