WordWeb Online

1. Of or relating to or resembling the physical or orbital characteristics of a planet or the planets
   "planetary year";
   - planetal
    
2. Having no fixed course
   "a planetary vagabond";
   - erratic, wandering
    
3. Involving the entire earth; not limited or provincial in scope
   "neither national nor continental but planetary";
   - global, world, worldwide, world-wide
    
4. Of or relating to or characteristic of the planet Earth or its inhabitants
   "planetary rumblings and eructations"; "the planetary tilt";
   - terrestrial

See also: international, unsettled

Encyclopedia: Planetary