Definition

Relating to or resembling planets, or affecting the whole world.

Example

The scientists studied the planetary movements to understand the solar system better.

Conversation

Did you hear about the planetary alignment happening next week?

Yeah, I read that it's going to be visible from our backyard!

We should definitely set up a telescope to see the planetary event clearly.

Absolutely! It sounds like a perfect night for stargazing.

Synonyms & Antonyms

Root Explanation

Planetary → It is formed from "planeta" (from Greek "planētēs", meaning wanderer) and the suffix "-ary" (meaning relating to). The word "planetary" refers to something that is related to or characteristic of planets, which are often seen as wandering bodies in the sky.

Memory Tip

Think of the Greek word for wanderer ('planētēs') to remember that 'planetary' relates to the wandering bodies we call planets.

Visually Confused Words