Primaeval and Worn-out

Primaeval adjective - Having existed from the beginning; in an earliest or original stage or state.

Worn-out and primaeval are semantically related. In some cases you can use "Worn-out" instead an adjective "Primaeval".

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

Primaeval and worn-out are semantically related. Sometimes you can use "Primaeval" instead an adjective phrase "Worn-out".