planetary

(noun, adjective)

adjective

1. of or relating to or resembling the physical or orbital characteristics of a planet or the planets

- planetary motion

- planetary year

Similar word(s): planetal

2. of or relating to or characteristic of the planet Earth or its inhabitants

- planetary rumblings and eructations

- the planetary tilt

Similar word(s): terrestrial

3. having no fixed course

- a planetary vagabond

Similar word(s): unsettled, erratic, wandering

4. involving the entire earth; not limited or provincial in scope

- neither national nor continental but planetary

Similar word(s): international, global, world, worldwide

noun

1. A planetary nebula.