terrestrial

US /təˈres.tri.əl/
UK /təˈres.tri.əl/
"terrestrial" picture
1.

of, on, or relating to the earth

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Terrestrial life forms are abundant on our planet.
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The satellite transmits terrestrial signals.
:
aquaticmarinecelestial
2.

(of an animal or plant) living on or in the ground; not aquatic, arboreal, or aerial

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Most insects are terrestrial.
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The study focused on terrestrial ecosystems.
:
land-dwellingground-dwellingnon-aquatic
1.

an inhabitant of the earth

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The alien observed the terrestrials with curiosity.
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Are we the only terrestrials in the universe?
:
earthlinghumanmortal