This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Holding or based on the view that human endeavor is futile.

n. One who holds the view that human endeavor is futile.

adj. having the opinion that all human activity is futile

n. a person with such views

Devoted to worthless or useless pursuits, aims, or the like.

n. A person given to useless or worthless pursuits.

"Winnie, Beckett’s "hopeful futilitarian" is buried up to her waist in the earth, woken and summoned to bed each day by the same disembodied bell."