IPA: //ʌnˈkʌrd//
KK: /ʌnˈkʌrd/
Not having any color or hue; lacking color.
The artist chose to use uncolored paper for her sketches.
Uncolored → It is formed from "un-" (meaning not) and "colored" (from the root "color" which comes from Latin "color", meaning hue or tint). The word "uncolored" means not having any color or hue.
Think of 'not' ('un-') having any 'hue' or 'tint' ('color') — that's why uncolored means lacking color.