The word "extra-ordinarinesses" refers to the quality of being extraordinary, exceptional, or unusual. The antonyms for this word are ordinary, common, normal, average, regular, typical, mundane, and commonplace. These words suggest a lack of uniqueness or specialness, and imply a level of predictability or familiarity. While "extra-ordinarinesses" may connote greatness or excellence, its antonyms indicate an absence of noteworthy qualities. These antonyms can be used to describe everyday experiences or events that do not stand out, or to contrast with something that is truly extraordinary.