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1. Sounded or spoken in a tone unvarying in pitch
   "the owl's faint monotone hooting";
   - flat, monotonic, monotonous
    
2. (mathematics) of a sequence or function; consistently increasing and never decreasing or consistently decreasing and never increasing in value
   - monotonic, monotonous

1. An unchanging intonation
   - drone, droning
    
2. A single tone repeated with different words or different rhythms (especially in rendering liturgical texts)

Derived forms: monotones

See also: decreasing monotonic, increasing monotonic, unmodulated

Type of: intonation, modulation, musical note, note, pitch contour, tone

Encyclopedia: Monotone