Synonyms of the word

uncoloured

• adj. British spelling standard spelling of uncolored.

achromatic

• adj. (optics) Free from color; transmitting light without color-related distortion.
• adj. Containing components such as achromatic lenses and prisms, designed to prevent color-related distortion.
• adj. (biology) Uncolored; not absorbing color from a fluid; -- said of tissue.
• adj. (music) Having only the diatonic notes of the scale; not modified by accidentals.
• adj. Being achromatic in subject.

achromatous

• adj. Lacking normal colour; colourless.

achromic

• adj. (sciences) Uncoloured; not pigmented; lacking in colour.

achromous

• adj. colorless; achromatic.

uncolored

• adj. (US) Not treated with a dye or other colour.