지구
Romanisation: jigu
Earth
Example sentence
우리는 지구를 보호해야 해요.
Urineun jigureul bohohaeya haeyo.
We must protect the Earth.
What 지구 means
지구 (jigu) is an Korean word meaning “Earth”. It belongs to the Places & Travel topic and appears at Level 3, so it is one of the words worth learning early when you study Korean.