Definition of "nonce-word" [nonce-word]

• A word coined and used only for the nonce, or for the particular occasion. (noun)

The Century Dictionary (Public Domain)

• "The proper basis for comparison is the trajectory that the American economy was following when he took office, which is summed up by the nonce-word “stagflation”."
• "State-of-the-art anything died from overuse, and world-class is out of the competition, falling back into the nonce-word category."
• "The adjective is a nonce-sense, summerly elsewhere meaning 'such as one expects in summer'; the noun is a nonce-word."