operose

op·er·ose  (p-rs)

adj.

1. Involving great labor; laborious.

2. Industrious; diligent.

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

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oper·osely adv.

oper·oseness n.

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operose [ˈɒpəˌrəʊs]

adj Rare

1. laborious

2. industrious; busy

[from Latin operōsus painstaking, from opus work]

operosely  adv

operoseness  n

Thesaurus

Adj.

1.

operose - 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" arduous, backbreaking, grueling, gruelling, laborious, toilsome, punishing, hard, heavy effortful - requiring great physical effort