Antonyms of adj bicolour

1 sense of bicolour

Sense 1
bicolor, bicolour, bicolored, bicoloured, bichrome, dichromatic -- (having two colors; "a bicolor flower"; "a bicolored postage stamp")

INDIRECT (VIA colored) -> uncolored, uncoloured -- (without color; "pure water is uncolored")

Similarity of adj bicolour

1 sense of bicolour

Sense 1
bicolor, bicolour, bicolored, bicoloured, bichrome, dichromatic -- (having two colors; "a bicolor flower"; "a bicolored postage stamp")
       => colored (vs. uncolored), coloured, colorful -- (having color or a certain color; sometimes used in combination; "colored crepe paper"; "the film was in color"; "amber-colored heads of grain")