whitest

being of the achromatic color of maximum lightness; having little or no hue owing to reflection of almost all incident light;
of or belonging to a racial group having light skin coloration;
free from moral blemish or impurity; unsullied;
marked by the presence of snow;
restricted to whites only;
glowing white with heat;
benevolent; without malicious intent;
(of a surface) not written or printed on;
(of coffee) having cream or milk added
(of hair) having lost its color;
anemic looking from illness or emotion;
of summer nights in northern latitudes where the sun barely sets;
WHITEST superlative of white

whitest is a valid Scrabble (US) TWL word

whitest is a valid Scrabble Word in Merriam-Webster MW Dictionary

whitest is a valid Scrabble Word in International Collins CSW Dictionary

whitest is a valid Words With Friends word