galaxywide

• galaxy-wide

galaxy +‎ -wide. Coined by Isaac Asimov in 1940 in the form "galaxy-wide".

galaxywide (not comparable)

1. Throughout a galaxy.
   • 1949 January, Kuttner, Henry, “Time Axis”, in Startling Stories, volume 18, number 3, page 50:

     I immediately assigned an all-out search, Galaxywide.

   • 1959 June, Harris, Larry M., “Extracts from the Galactick Almanack”, in Galaxy‎, volume 17, number 5, page 136:

     Critics on both sides of what rapidly became a Galaxywide controversy were forced, however, to acknowledge the magnificent playing of the Student Orchestra and its great technical attainments.

   • 1989, McKinney, Jack, The End of the Circle, →ISBN, page 203:

     Protoculture supply was dwindling, the galaxywide war running down like clockwork as both sides' resources and infrastructures declined.

   • For more examples of usage of this term, see Citations:galaxywide.

• pangalactic, transgalactic

• “galaxywide” in Brave New Words: The Oxford Dictionary of Science Fiction, Oxford University Press, 2007, →ISBN, page 75.
• galaxy-wide adj. at the OED Science Fiction Citations Project