Sidereal

saɪ'diriəl

Other

  • of or relating to the stars or constellations

    sidereal bodies

    the sidereal system

  • (of divisions of time) determined by daily motion of the stars

    sidereal time

Dictionary Validity

Tournament Word List (TWL)
SCRABBLE US
Collins Scrabble Words (CSW21)
SCRABBLE UK
ENABLE Dictionary
WORDS WITH FRIENDS
Combined US/UK Scrabble Dictionary
SOWPODS
North American Scrabble (NWL2020)
NASPA