The Collaborative International Dictionary
Operosely
Operose \Op"er*ose`\ a. [L. operosus, fr. opera pains, labor,
opus, operis, work, labor.]
Wrought with labor; requiring labor; hence, tedious;
wearisome. ``Operose proceeding.''
--Burke. ``A very operose
calculation.''
--De Quincey. -- Op"er*ose`ly, adv. --
Op"er*ose`ness, n.
Wiktionary
operosely
adv. In an operose manner.