nearest to someone or something
The relation of mother and child is the closest in the world.

the fifth planet from the sun with several orbiting moons
The largest planet in our solar system is jupiter.

an attendant employed at a beach or pool to protect swimmers from accidents
One lifeguard saved on my life when I fell into the swimming pool.

the fourth planet from the sun; the “red" planet
There seems to be no life on mars.

the white object that circles the Earth and can be seen in the night sky; an object similar to the moon that circles another PLANET
Koreans enjoyed the full moon at night on Chuseok.

almost; nearly being a particular thing or reaching a particular state
Is there a park near the apartment?

a massive round object in space which moves around a star
The closest planet to the Sun is Mercury.

a tube-shaped device used to view objects at a great distance
The telescope is used to study the stars.