Answer: SHADOW

AnswerCrossword Clue
SHADOWIt's seen on a sundial
SHADOWMan's double.
SHADOWUnit of doubt
SHADOWDo a sleuthing job
SHADOWR. L. Stevenson's companion
SHADOWOmniscient radio character
SHADOWFeb. 2 omen
SHADOWPenumbra
SHADOWFebruary 2 sighting
SHADOWFigure at one's side
SHADOWBoxer's sparring partner, at times
SHADOWEclipse phenomenon
SHADOWLittle stubble
SHADOWPeter Pan lost his
SHADOWTagalong
SHADOWPeter Pan's loss.
SHADOW'..... of a Doubt ('43 film)'
SHADOW'-- of a Doubt ('43 film)'
SHADOWMere semblance
SHADOWFive o'clock --
SHADOW"Me and My ....."
SHADOWMan's five o'clock feature?
SHADOWCast thing
shadowto cast a shadow over
shadowcomparative darkness
shadowto follow secretly
shadowtrace
shadowcause of gloom
shadowto make dark or gloomy
shadowdark image cast on a surface by a body intercepting light
SHADOWSundial casting
SHADOWSecretly follow
SHADOWDark patch
SHADOWPhantom
SHADOWSundial indicator
SHADOWBit of a doubt?
SHADOWOutline cast by the sun
SHADOWIt lengthens toward evening
SHADOWTail
SHADOWSilhouette