nonplusment
n.—Gloss: State of confusion or befuddlement; the noun form of the verb “nonplus.” Note: Not a new word, but rare. «Perhaps unsurprisingly—apologies to the good people of 1956 Miami—the reception amid the swizzle sticks and shuffleboards was general nonplusment.» —“A Long Wait for Another Shot at Broadway” by Charles Isherwood New York Times Apr. 22, 2009. (source: Double-Tongued Dictionary)
Further reading
A Winter Dictionary (Bookshop|Amazon) by Paul Anthony Jones includes some words to lift your spirits. The verb whicken involves the lengthening of days in springtime, a variant of quicken, meaning “come to life.” Another word, breard, is...
Samantha Harvey’s novel Orbital is a sensuous, exhilarating meditation about the strangeness of life on a space station, with its mix of tedious tasks and jaw-dropping views. And: a musician who rode the rails in his youth shares the slang he...