Definition

The height of something above a specific reference point, usually above sea level. It can also refer to the position of a celestial object in the sky or the distance in geometry from a base to the top of a shape.

Example

The airplane reached an altitude of 30,000 feet during the flight.

Conversation

Have you ever been at a really high altitude?

Yeah, I went hiking in the mountains last summer!

That sounds amazing! Did you notice a difference in the air at that altitude?

Definitely! It was hard to breathe at first, but the views were worth it.

Synonyms & Antonyms

Root Explanation

Altitude → It is formed from "altus" (meaning high) and the suffix "-tude" (indicating a state or condition). The word "altitude" refers to the state of being high or the height of an object in relation to sea level or ground level.

Memory Tip

Think of 'altus' meaning high, and remember that 'altitude' refers to the state of being high up.

Visually Confused Words