Colorless vs. Colourless

Colorlessadjective

Without color; not distinguished by any hue; transparent; as, colorless water; a colorless gas.

Colorlessadjective

Free from any manifestation of partial or peculiar sentiment or feeling; not disclosing likes, dislikes, prejudice, etc.; as, colorless music; a colorless style; definitions should be colorless.

Colorlessadjective

having lost its normal color.

Colorlessadjective

lacking in variety and interest;

Colorlessadjective

weak in color; not colorful

Colourlessadjective

Having little or no colour.

Colourlessadjective

(of a liquid) Water white.

Colourlessadjective

Lacking in interest or variety.

Colourlessadjective

lacking in variety and interest;

Colourlessadjective

weak in color; not colorful