Note: in AM, use 'colorless'
1.
Something that is ~ has no colour at all.
...a ~, almost odourless liquid with a sharp, sweetish taste.
ADJ
2.
If someone’s face is ~, it is very pale, usually because they are frightened, shocked, or ill.
Her face was ~, and she was shaking...
His complexion was colorless and he hadn’t shaved.
ADJ: usu v-link ADJ
3.
Colourless people or places are dull and uninteresting.
We hurried through the ~ little town set on the fast-flowing Nyakchu.
ADJ: usu ADJ n