Terrestrial = earthly, worldly, global, Worldwide
Terrestrial = Relating to the planet Earth
Basically ‘Terrestrial' means = things / animals / entities … living / found on the land rather than in the sea or air
Antonyms (Opposite): celestial
Use in sentences:
"Being terrestrial entities, it is better for us to remain on the realistic surface of earth."
"He struggled all through his life and developed an immense terrestrial practicality"