Definition

Requiring a lot of effort and energy to do something.

Example

Running a marathon is a strenuous activity that demands a lot of training.

Conversation

I just finished that strenuous hike up the mountain.

Wow, that sounds intense! How was it?

It was tough, but the view at the top was worth the effort.

I can only imagine! A good hike always feels rewarding.

Synonyms & Antonyms

Root Explanation

Strenuous → It is formed from "strenuus" (from Latin, meaning active or vigorous) and the suffix "-ous" (meaning full of). The word "strenuous" means full of vigor or requiring great effort.

Memory Tip

Think of being 'active' and 'vigorous' — that's what strenuous means, as it describes something that requires a lot of energy.

Visually Confused Words