Out of or being beyond the normal course of nature; differing from the natural.
Surpassing the normal or usual; extraordinary: "Below his preternatural affability there is some acid and steel"(George F. Will).
Transcending the natural or material order; supernatural.
[Medieval Latin praeternātūrālis, from Latin praeter nātūrām, beyond nature : praeter, beyond; see preterit + nātūra, nature; see nature.] pre'ter·nat'u·ral·ism n., pre'ter·nat'u·ral·ly adv., pre'ter·nat'u·ral·ness n.
1580, from M.L. preternaturalis (c.1255), from L. phrase præter naturam (præterque fatum) "beyond nature (and beyond fate)," from præter "beyond" (see preterite) + acc. of natura "nature" (see natural).