"Interstellary" is a word in ENGLISH

interstellary ENGLISH
Definition:

Interstellar.

Few words of positivity

How can a man’s candour be seen in all its lustre unless he has a few failings to talk of? But he had an agreeable confidence that his faults were all of a generous kind—impetuous, arm-blooded, leonine; never crawling, crafty, reptilian.

George Eliot, Adam Bede

WORD SUGGESTIONS
Laugh your heart out.

Why was the cowboy a lot of laughs?He was always horsing around.

intersidereal ENGLISH

Between or among constellations or stars; interstellar.

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interstellar ENGLISH

Between or among the stars; as, interstellar space.

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