'Monotonous' definitions:

Definition of 'monotonous'

(from WordNet)
adjective
Tediously repetitious or lacking in variety; "a humdrum existence; all work and no play"; "nothing is so monotonous as the sea" [syn: humdrum, monotonous]
adjective
Sounded or spoken in a tone unvarying in pitch; "the owl's faint monotonous hooting" [syn: flat, monotone, monotonic, monotonous]

Definition of 'Monotonous'

From: GCIDE
  • 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]