1. relating to or occurring at syzygy, especially the alignment of celestial bodies
Usage: astronomy

Examples

• The syzygial alignment of the sun, moon, and Earth causes spring tides.
• Astronomers study syzygial events to understand gravitational effects.
• The syzygial configuration occurs twice each lunar month.
• Syzygial forces create the highest and lowest tides.
• The telescope captured images during the syzygial eclipse.