IPA: /lʊˈɡuːbrɪəsnəs/
KK: /lʊˈɡubriəsnəs/
The quality or state of being very sad or gloomy.
The lugubriousness of the rainy day made everyone feel down.
Lugubriousness → It is formed from "lugubris" (from Latin, meaning mournful or sorrowful) and the suffix "-ness" (meaning the state or quality of). The word "lugubriousness" refers to the state of being mournful or sorrowful.
Think of the Latin word for mournful, 'lugubris', to remember that 'lugubriousness' describes a state of deep sadness.