Adjective monotonic has 2 senses
  1. monotonic, monotone - of a sequence or function; consistently increasing and never decreasing or consistently decreasing and never increasing in value
    Antonym: nonmonotonic
  2. monotone, monotonic, monotonous - sounded or spoken in a tone unvarying in pitch; "the owl's faint monotonous hooting"
    Antonyms: melodious, melodic, musical (indirect, via unmelodious)
,
TOP