eclipse, occultation: one celestial body obscures another overshadow, eclipse: exceed in importance; outweigh; "This problem overshadows our lives right now" eclipse, occult: cause an eclipse of (a celestial body) by intervention; "The Sun eclipses the moon today"; "Planets and stars often are occulted by other celestial bodies" eclipse: cause an eclipse of; of celestial bodies; "The moon eclipsed the sun"