si·de·re·al 
(sī-dîrē-əl)
(sī-dîrē-əl)adj.
1. Of, relating to, or concerned with the stars or constellations; stellar.
2. Measured or determined by means of the apparent daily motion of the stars: sidereal time.
[From Latin sīdereus, from sīdus, sīder-, constellation, star.]
- spirit
- spirited
- spiritedly
- spiritedness
- spiritism
- spiritist
- spiritistic
- spirit lamp
- spiritless
- spiritlessly
- spiritlessness
- spirit level
- spirit of turpentine
- spirit of wine
- spiritous
- spiritual
- spiritual bouquet
- spiritualism
- spiritualist
- spiritualistic
- spirituality
- spiritualization
- spiritualize
- spiritualizer
- spiritually