Main entry: uncolored, uncoloured
Definition: without color
Usage: pure water is uncolored
Antonyms: colored, colorful, coloured
Definition: having color or a certain color; sometimes used in combination
Main entry: unbleached, uncolored, undyed
Definition: not artificially colored or bleached
Usage: unbleached blonde hair; her hair is uncolored; undyed cotton
Antonyms: unnatural
Definition: not in accordance with or determined by nature; contrary to nature
Antonyms: unreal, artificial
Definition: contrived by art rather than nature
Antonyms: supernatural
Definition: not existing in nature or subject to explanation according to natural laws; not physical or material
Antonyms: flat
Definition: (of a musical note) lowered in pitch by one chromatic semitone
Antonyms: sharp
Definition: (of a musical note) raised in pitch by one chromatic semitone