laborious
adjective
la·bo·ri·ous
lə-ˈbȯr-ē-əs
1
a
: involving, requiring, or characterized by hard and sustained effort : arduous
Overland travel was not an adventurous communal leap, but a laborious, individual trek.—Daniel J. Boorstin
Making a telescope mirror is a long and laborious process.—David Devoss and Eric Sander
b
: characterized by long, detailed elaboration : tedious
Much of the middle of the book is a laborious account of the scouring of the ocean floor that led to the discovery of the Titanic.—The Economist
2
: devoted to labor : industrious
We have the greatest riches, the greatest fertility, … the most laborious population.—Joseph Conrad
laboriously
adverb
laboriousness
noun
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Merriam-Webster unabridged
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