masked 
(măskt)
(măskt)adj.
1. Wearing a mask.
2. Disguised or concealed as if by a mask: masked emotions.
3. Latent or hidden, as a symptom or disease.
4. Botany Personate.
5. Zoology
a. Having markings in the shape of a mask on the head or face.
b. Having the anatomy of the next developmental form outlined beneath the integument, as in certain insect pupae.