Monotone

[mon-uh-tohn] /ˈmɒn əˌtoʊn/

noun
1.
a vocal utterance or series of speech sounds in one unvaried tone.
2.
a single tone without harmony or variation in pitch.
3.
recitation or singing of words in such a tone.
4.
a person who is unable to discriminate between or to reproduce differences in musical pitch, especially in singing.
5.
sameness of tone or color, sometimes to a boring degree.
adjective
6.
.
7.
consisting of or characterized by a uniform tone of one color:
a monotone drape.
Compare (defs 1, 2).
8.
Mathematics. (def 2).
/ˈmɒnəˌtəʊn/
noun
1.
a single unvaried pitch level in speech, sound, etc
2.
utterance, etc, without change of pitch
3.
lack of variety in style, expression. etc
adjective
4.
unvarying or monotonous
5.
(maths) Also monotonic (ˌmɒnəˈtɒnɪk). (of a sequence or function) consistently increasing or decreasing in value
n.

“unvarying tone in music or speaking,” 1640s; see monotony. OED says use of the word as a noun “is peculiar to Eng.” Related: Monotonic; monotonically.

Read Also:

Monotonic
[mon-uh-ton-ik] /ˌmɒn əˈtɒn ɪk/ adjective 1. of, relating to, or uttered in a monotone: a monotonic delivery of a lecture. 2. Mathematics. In domain theory, a function f : D -> C is monotonic (or monotone) if for all x,y in D, x f(x)
Monotonically
[mon-uh-ton-ik] /ˌmɒn əˈtɒn ɪk/ adjective 1. of, relating to, or uttered in a monotone: a monotonic delivery of a lecture. 2. Mathematics.
Monotonize
/məˈnɒtəˌnaɪz/ verb 1. (transitive) to make monotonous

Monotonous
[muh-not-n-uh s] /məˈnɒt n əs/ adjective 1. lacking in variety; tediously unvarying: the monotonous flat scenery. 2. characterizing a sound continuing on one note. 3. having very little inflection; limited to a narrow pitch range. /məˈnɒtənəs/ adjective 1. dull and tedious, esp because of repetition 2. unvarying in pitch or cadence adj. 1750, of sound, […]
Monotonously
[muh-not-n-uh s] /məˈnɒt n əs/ adjective 1. lacking in variety; tediously unvarying: the monotonous flat scenery. 2. characterizing a sound continuing on one note. 3. having very little inflection; limited to a narrow pitch range. /məˈnɒtənəs/ adjective 1. dull and tedious, esp because of repetition 2. unvarying in pitch or cadence adj. 1750, of sound, […]