Definition

An adjective used to describe an area that has many mountains or is characterized by mountains.

Example

The mountainous region is perfect for hiking and exploring nature.

Conversation

I just got back from a trip to the mountainous region in Colorado.

That sounds amazing! I’ve heard the views are incredible.

They really are, especially when you hike up to the peaks.

I can only imagine how stunning it must be up there!

Synonyms & Antonyms

Root Explanation

Mountainous → It is formed from "mountain" (from Old French *montaine*, meaning a large natural elevation of the earth's surface) and "-ous" (meaning full of or characterized by). The word "mountainous" describes an area that is full of mountains or characterized by mountains.

Memory Tip

Think of a place that is 'full of' ('-ous') 'mountains' — that's what mountainous means.

Visually Confused Words