Earthish

From Earth +‎ -ish.

Earthish (comparative more Earthish, superlative most Earthish)

1. (astronomy) Resembling the Earth; Earthlike.
   • 2022 September 9, Phil Plait, “Two super-Earths found around a tiny red dwarf star — with one in the habitable zone”, in Syfy‎, archived from the original on 2022-11-29:

     I love it when planets are found around red dwarfs. They are by far the most common kind of star in the Universe, they tend to make smaller, Earthish-sized planets, and they tend to make a lot of them.

2. (science fiction) Relating to or originating from the Earth.

   Synonym: Terran

Earthish

1. (science fiction) A hypothetical universal language of Earth.

   Synonym: Earthian

• Note that earthish (uncapitalized) refers to earth (“soil, the ground, the material world”) rather than the planet.

• Jesse Sheidlower, editor (2001–2024), “Earthish, n.; Earthish, adj.”, in Historical Dictionary of Science Fiction.
• “earthish, adj.”, in OED Online ⁠, Oxford, Oxfordshire: Oxford University Press, launched 2000.