The Collaborative International Dictionary
Intersidereal
Intersidereal \In`ter*si*de"re*al\, a. Between or among constellations or stars; interstellar.
Wiktionary
intersidereal
a. Between or among constellations or stars; interstellar.
Usage examples of "intersidereal".
Never before had I understood the true awfulness of intersidereal depth and distance, of the gulf wherein there is neither limitation nor direction.