Monotonous

Mo‐not″o‐nous (?), a. [Gr. �; μόνοσ 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.