Synonyms: monotone, monotonic, monotonous, flat
Definition: sounded or spoken in a tone unvarying in pitch
Usage: the owl's faint monotonous hooting
Similar words: unmodulated
Definition: characterized by lack of variation in pitch, tone, or volume
Usage: he lectured in an unmodulated voice edged with hysteria
Definition: of a sequence or function; consistently increasing and never decreasing or consistently decreasing and never increasing in value
Similar words: decreasing monotonic
Definition: consistently decreasing
Usage: a decreasing monotonic function
Similar words: increasing monotonic
Definition: consistently increasing
Usage: an increasing monotonic function