The Collaborative International Dictionary
Monotonousness
Monotonous \Mo*not"o*nous\, a. [Gr. ?; mo`nos alone, single + ? tone. See Tone.] Uttered in one unvarying tone; continued with dull uniformity; characterized by monotony; without change or variety; wearisome. -- Mo*not"o*nous*ly, adv. -- Mo*not"o*nous*ness, n.
Wiktionary
monotonousness
n. The property of being monotonous.
Usage examples of "monotonousness".
There is a profound monotonousness about its facts that baffles and defeats one’s sincerest efforts to make them sparkle and enthuse.