underoxygenated

Adjective

 * 1) Having insufficient oxygen.
 * 2)  Lacking vitality; lackluster.
 * 1)  Lacking vitality; lackluster.
 * 1)  Lacking vitality; lackluster.
 * 1)  Lacking vitality; lackluster.
 * 1)  Lacking vitality; lackluster.
 * 1)  Lacking vitality; lackluster.
 * 1)  Lacking vitality; lackluster.
 * 1)  Lacking vitality; lackluster.