colourless

Humdrum is a related term of colourless.

As adjectives the difference between humdrum and colourless

is that humdrum is lacking variety or excitement; dull; boring while colourless is having little or no colour.

As a noun humdrum

is the quality of lacking variety or excitement; dullness.

Colourless is a related term of wearisome.

As adjectives the difference between colourless and wearisome

is that colourless is having little or no colour while wearisome is tiresome, tedious or causing fatigue.

Colourless is a related term of chalky.

As adjectives the difference between colourless and chalky

is that colourless is having little or no colour while chalky is consisting of or containing chalk.

As adjectives the difference between uncoloured and colourless

is that uncoloured is (british) while colourless is having little or no colour.

Colourless is a synonym of uninspired.

As adjectives the difference between colourless and uninspired

is that colourless is having little or no colour while uninspired is not inspired; dull or dry.

As a verb uninspired is

(uninspire).

Colourless is a related term of stodgy.

As adjectives the difference between colourless and stodgy

is that colourless is having little or no colour while stodgy is (of food) having a thick, semi-solid consistency; glutinous; heavy on the stomach.

As a noun transparent

is banner.

As an adjective colourless is

having little or no colour.

As adjectives the difference between lurid and colourless

is that lurid is shocking, horrifying while colourless is having little or no colour.

As adjectives the difference between colourless and jejune

is that colourless is having little or no colour while jejune is not nutritious.

As adjectives the difference between various and colourless

is that various is having a broad range (of different elements) while colourless is having little or no colour.

As a determiner various

is more than one (of an indeterminate set of things).