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lugubrious

1 ENTRIES FOUND:
lugubrious /lʊˈguːbrijəs/ adjective
lugubrious
/lʊˈguːbrijəs/
adjective
Britannica Dictionary definition of LUGUBRIOUS
[more lugubrious; most lugubrious] formal
: full of sadness or sorrow : very sad especially in an exaggerated or insincere way

— lugubriousness

noun [noncount]