(astronomy) any of the nine large celestial bodies in the solar system that revolve around the sun and shine by reflected light; Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto in order of their proximity to the sun; viewed from the constellation Hercules, all the planets rotate around the sun in a counterclockwise direction
any celestial body (other than comets or satellites) that revolves around a star
any imaginary place where spiritual beings (demons or fairies or angels or the like) abide; "science has emptied the spirit world of its former inhabitants"
not restricted to one sect or school or party; "religious training in a nonsectarian atmosphere"; "nonsectarian colleges"; "a wide and unsectarian interest in religion"- Bertrand Russell
of or belonging to or characteristic of this earth as distinguished from heaven; "earthly beings"; "believed that our earthly life is all that matters"; "earthly love"; "our earthly home"
(Christianity) the abode of Satan and the forces of evil; where sinners suffer eternal punishment; "Hurl'd headlong...To bottomless perdition, there to dwell"- John Milton; "a demon from the depths of the pit"
a cause of difficulty and suffering; "war is hell"; "go to blazes"
any place of pain and turmoil; "the hell of battle"; "the inferno of the engine room"; "when you're alone Christmas is the pits";
having a bearing on or connection with the subject at issue; "the scientist corresponds with colleagues in order to learn about matters relevant to her own research"
important in effect or meaning; "a significant change in tax laws"; "a significant change in the Constitution"; "a significant contribution"; "significant details"; "statistically significant"
too closely correlated to be attributed to chance and therefore indicating a systematic relation; "the interaction effect is significant at the .01 level"; "no significant difference was found"