Quick definitions from WordNet (Wan)

▸ noun:  a computer network that spans a wider area than does a local area network
▸ verb:  become pale and sickly
▸ adjective:  lacking vitality as from weariness or illness or unhappiness ("A wan smile")
▸ adjective:  (of light) lacking in intensity or brightness; dim or feeble ("The pale (or wan) stars")
▸ adjective:  abnormally deficient in color as suggesting physical or emotional distress ("Her wan face suddenly flushed")
▸ name:  A female given name (rare: 1 in 100000 females; popularity rank in the U.S.: #3671)
▸ name:  A surname (rare: 1 in 100000 families; popularity rank in the U.S.: #9487)

---

▸ Also see wan