Worn out and Worn

Worn out adjective - Drained of energy or effectiveness; extremely tired; completely exhausted.

Worn and worn out are semantically related in shabby topic. In some cases you can use "Worn" instead an adjective phrase "Worn out", when it comes to topics like exhausted.

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

Worn out and worn are semantically related in shabby topic. You can use "Worn out" instead an adjective "Worn", if it concerns topics such as strained.