Spelling.School · How to spell

How to spell fitness

Fitness is spelled F-I-T-N-E-S-S. The part people get wrong: double S.

hear itfit·ness/'fɪtnʌs/nounPrefixes and work

What it means: Good physical condition; being in shape or in condition.

In a sentence: Daily exercise helps improve our fitness.

The part people get wrong

Watch for double s.

Same family: fit, fitting, unfit, healthy. If you can spell one, the shared part carries to the others.

Where it comes from: Fitness comes from the adjective "fit," which originally meant "proper" or "suitable" in Middle English. Over time, its meaning expanded from being suitable for a purpose to being physically healthy and strong, which is how we most often use it today.

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