WAN: sickly pale
WANTON: undisciplined; unrestrained; reckless
WAVER: to fluctuate between choices
WHIMSICAL: lightly acting in a fanciful or capricious manner; unpredictable
WILY: clever; deceptive
WINSOME: charming; happily engaged
WIZENED: shriveled; withered; wrinkled
WRAITH: a ghost…
So shaken as we are, so wan with care - Henry IV, Part I