WordReference Random House Unabridged Dictionary of American English © 2025
in•ter•ga•lac•tic
(in′tər gə lak′tik),USA pronunciation adj.
- Astronomyof, existing, or occurring in the space between galaxies:The science-fiction movie was about an intergalactic war.
- inter- + galactic 1925–30
'intergalactic' also found in these entries (note: many are not synonyms or translations):