Definition of interstellar
: located, taking place, or traveling among the stars especially of the Milky Way galaxy
Test Your Vocabulary
Challenging Words You Should Know
-
- Often used to describe “the march of time,” what does inexorable mean?

Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share interstellar
Time Traveler for interstellar
The first known use of interstellar was in 1626
See more words from the same year