intergalactic
1. [ adjective ] between or among galaxies
Examples:

"intergallactic space"

Related terms: galaxy
Similar spelling:   intermural
  interlaced
  interaction
  interracial
  interactive
  interlacing
  interfacial
  interlocutor
  interpellate
  interlocking
  interstice
  intersection
  intersecting
  interdiction
  interjection
  interactional
  interrelation
  interracially
  interpolation
  intercalation
  interlocutory
  intertidal
  inter_alia
  in_the_raw
  interpellation
  interpersonal
  interstratify
  intercalate
  intercalary
  interscholastic
  interfering