Ōp'er-ōse', a.

(125), a. [Lat. operosus, from opera, pains, labor, from opus, operis, work, labor; It. & Sp. operoso.] Wrought with labor; requiring labor; laborious; hence, tedious; wearisome. “A very operose calculation.” De Quincey. All these operose proceedings were adopted by one of the most decided tyrants in the rolls of history. Burke.