sidereal
/saɪˈdɪəriəl/
relating to the distant stars; measured or determined by the stars
sidereal in a sentence
“The sidereal year differs slightly from the solar year.”
Origin of sidereal
Latin sidereus (starry), from sidus (star, constellation)
Related Words
stellar
relating to stars; exceptionally good or outstanding
sublunary
belonging to the earthly world; beneath the moon's orbit
empyrean
relating to the highest heaven; celestial or sublime
ethereal
extremely delicate and light; heavenly or celestial
celestial
positioned in or relating to the sky or heavens; supremely good or beautiful
astral
relating to or resembling the stars; connected to a supposed non-physical realm