Answer: ZERO

AnswerCrossword Clue
ZEROReset, as an odometer
ZEROZip
ZERONonentity
ZEROZilch
ZEROBlank tile value, in Scrabble
ZEROCelsius temperature at which water freezes
ZEROYou can't divide by it
ZEROColdest possible temperature on the Kelvin scale
ZEROFreezing point, on the Celsius scale
ZERONone
ZERO-
ZERORound number
ZEROHome (in)
ZEROHalf of 10?
ZEROReset
ZEROWorld dodo population
ZERODiddly
ZEROIt means nothing
ZERONothing at all
ZEROSquat
zeroto aim at the centre of a target
ZEROWhat's before one
ZEROWith no value
ZEROGravity or hour leader
ZEROLove, in tennis
ZERONothing
ZERORound figure
ZEROCalibration setting
ZERORound figure?
ZERORound number?
ZEROCelsius freezing point
ZERONil
ZEROMatthew : Nathan :: Gene : ..
ZEROGoose egg
ZERO"The Adding Machine" protagonist
ZERONumber with no multiplicative inverse
ZEROMitsubishi ... (WWII attack plane)
ZEROMain character of Elmer Rice's "The Adding Machine"
ZEROJapanese fighter plane
ZERONada