Definition of operose in English:

operose

adjective

rare
  • Involving or displaying much industry or effort.

    ‘As he was there, he added, ‘I'll have you know that this is needlessly operose and immoderately vexatious.’’

Origin

Late 17th century from Latin operosus, from opus ‘work’.

Pronunciation

operose

/ˈɒpərəʊs/