planetary
word
Definition
Relating to or belonging to planets. Usually used to describe things that are part of, or connected with, planets or the solar system.
Usage & Nuances
Mainly scientific or formal context, often used before nouns (e.g., 'planetary system', 'planetary alignment'). Not used for things unrelated to actual planets. Sometimes used metaphorically for something very broad or 'global'.
Example Sentences
Scientists study planetary movement to understand our solar system.
basic
The telescope can show planetary details far in space.
basic
There's a planetary crisis—climate change is affecting the whole Earth.
natural
A planetary system has several planets orbiting a star.
basic
We watched the planetary alignment last night—it was incredible to see all the planets in a row.
natural
Her research focuses on planetary atmospheres and how they change over time.
natural