The Rice University Neologisms Database

Words delivered orally in one tone, which begins to grate on the listener, quickly becoming boring. apparent meaning: monotone and extremely boring. This word is a variation of monotone. However, adding a prefix and suffix gives it a more 'intelligent' sound. This may have been the feel Chrissy was trying to get across, intelligent but boring. 'Unitonal' might also be a way to create a new word in expressing her frustration.