Part of speech: Adjective (satellite)
sounded or spoken in a tone unvarying in pitch
Example: the owl's faint monotonous hooting
Part of speech: Adjective
of a sequence or function
Example: consistently increasing and never decreasing or consistently decreasing and never increasing in value
Part of speech: Noun
an unchanging intonation
Part of speech: Noun
a single tone repeated with different words or different rhythms (especially in rendering liturgical texts)