monotone Meaning, Definition & Usage

  1. noun an unchanging intonation
    droning; drone.
  2. noun a single tone repeated with different words or different rhythms (especially in rendering liturgical texts)
  3. adjective of a sequence or function; consistently increasing and never decreasing or consistently decreasing and never increasing in value
    monotonic.
  4. adjective satellite sounded or spoken in a tone unvarying in pitch
    monotonous; flat; monotonic.
    • the owl's faint monotonous hooting

WordNet

Mon"o*tone noun
Etymology
See Monotonous, Monotony.
Definitions
  1. (Mus.) A single unvaried tone or sound.
  2. (Rhet.) The utterance of successive syllables, words, or sentences, on one unvaried key or line of pitch.

Webster 1913