Colourless, pallid.

Of a light or reflective colour, esp. one which may be contrasted with a darker alternative. Colourless, uncoloured, transparent, clear.

Unembellished, without addition or decoration; not ornate, simple; not coloured; (of hair) worn straight, not curled; (of a person's name) without…

Not having a colour or colours.

(un-, prefix1 affix 2.)

Having no colour; transparent, clear.

White (obsolete, and chiefly in specific uses, e.g. blank plumb white lead, blank falcon a ‘white hawk,’ i.e. one in its third year); pale…

Untinted, uncoloured.

Optics. Of an optical system, esp. a lens: transmitting light without separating it into its constituent colours; affecting light of all visible…

Lacking colour; spec. = achromatic, adj. 1a 1c 2.

Chiefly Botany and Horticulture. Of a plant or plant part: in a state of etiolation; esp. weakened and abnormally pale as a result of being grown in…

Having no tint or tints; devoid of colour.

‘Not having shades in coloring’ (Webster, 1828); not modified or toned down.

Colourless, lacking coloration.

(un-, prefix1 affix 2.)

Containing no pigment; colourless.

Uncoloured; colourless. Cf. achromous, adj.

Uncoloured; colourless. Cf. achromatistous, adj.

Uncoloured; colourless.

= etiolated, adj.

(un-, prefix1 affix 2 + toned, adj.)