monotony

As nouns the difference between monotony and plain

is that monotony is tedium as a result of repetition or a lack of variety while plain is (rare|poetic) a lamentation or plain can be an expanse of land with relatively low relief.

As an adjective plain is

.

As an adverb plain is

(colloquial) simply.

As a verb plain is

to lament, bewail or plain can be (obsolete|transitive) to plane or level; to make plain or even on the surface.

As nouns the difference between neoteny and monotony

is that neoteny is (biology) the retention of juvenile characteristics in the adult while monotony is tedium as a result of repetition or a lack of variety.

As nouns the difference between monotony and platitude

is that monotony is tedium as a result of repetition or a lack of variety while platitude is old spelling of.

As nouns the difference between monotony and polytomy

is that monotony is tedium as a result of repetition or a lack of variety while polytomy is a section of a phylogeny in which the evolutionary relationships can not be fully resolved to dichotomies.

As nouns the difference between drab and monotony

is that drab is beadle, catchpole while monotony is tedium as a result of repetition or a lack of variety.

As a noun monotony

is tedium as a result of repetition or a lack of variety.

As an adjective tedious is

boring, monotonous, time consuming, wearisome.

As a noun monotony

is tedium as a result of repetition or a lack of variety.

As an adjective dull is

lacking the ability to cut easily; not sharp.

As a verb dull is

to render dull; to remove or blunt an edge or something that was sharp.

As nouns the difference between monotony and humdrum

is that monotony is tedium as a result of repetition or a lack of variety while humdrum is the quality of lacking variety or excitement; dullness.

As an adjective humdrum is

lacking variety or excitement; dull; boring.

As nouns the difference between mundane and monotony

is that mundane is an unremarkable, ordinary human being while monotony is tedium as a result of repetition or a lack of variety.

As an adjective mundane

is worldly, earthly, profane, vulgar as opposed to heavenly.

As nouns the difference between monotony and monotonicity

is that monotony is tedium as a result of repetition or a lack of variety while monotonicity is the state of being monotonic.