Minussed

new synonym. / Overheard on the bus: “Weren’t you nonplussed by the market collapse?” / “I guess so. I was certainly minussed.”

Source: wiktionary

The public is not only nonplussed by rising prices but also minussed.

Source: wiktionary

The bossman did an electrifying double take, hypoing his metabolism as the towering gent with the metallic shroud capared around the di[n]ing table. Van Valkenburg was nonplussed and completely minussed, to say the least, until informed of the ruse, and then displayed his sense of humor by shaking the hard hand of the men encased in the silvery habiliments.

Source: wiktionary

“I am minussed”, said Alice as she stepped through the looking glass over the threshold of the 20th century. / “You mean to say you are nonplussed,” corrected the non-April hare.

Source: wiktionary