**Temporal** is the word that you seek because it delivers the meaning that you intend without having a familiar positive meaning attached to it, like the word *worldly*.

**temporal** (adj.)

 - of or relating to time.
 - pertaining to or concerned with the present life or this world; worldly:
temporal joys.
 - enduring for a time only; temporary; transitory (opposed to eternal).
 - secular, lay, or civil, as opposed to ecclesiastical.