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.
[1913 Webster]