Answer: missing
AnswerCrossword Clue
MISSING"You don't know what you're ..."
MISSINGLonging to see
MISSINGNot where it's expected to be
MISSINGWhat this grid's big symbol is, Across and Down
MISSINGNowhere to be found
MISSINGLost
MISSINGPart of MIA
missingMISS, to fail to make contact with
missing(of a person) Absent from a place, esp. home, and of unknown whereabouts
missingNot present or included when expected or supposed to be
missing(of a thing) Not able to be found because it is not in its expected place
missing(of a person) Not yet traced or confirmed as alive, but not known to be dead, after an accident or during wartime