IPA: /ˈoʊpəˌroʊs/
KK: /ˈoʊpəˌroʊs/
Involving a lot of hard work and effort; requiring much labor.
The operose task of building the bridge took several months to complete.
Operose → It is formed from "oper" (from Latin "operosus", meaning laborious or full of work) and the suffix "-ose" (meaning full of or characterized by). The word "operose" means characterized by much labor or effort, often implying that something is tedious or burdensome.
Think of 'laborious' when you hear 'operose' — it helps you remember that operose means full of work or effort.