Worn and Washed out

Worn adjective - Depleted in strength, energy, or freshness.

Washed out and worn are semantically related in strained topic. In some cases you can use "Washed out" instead an adjective "Worn".

Worn and washed out are semantically related in tired topic. Sometimes you can use "Worn" instead an adjective "Washed out", if it concerns topics such as faded, consumed, bleached, colorless.