1.being or resembling a force of nature;
elemental violence
2.being the ultimate or elemental constituents of anything;
the elemental stuff of...out of which the many forms of life have been molded- Jack London
3.relating to or being an element;
elemental sulphur
4.relating to severe atmospheric conditions;
a race against hail or cold rains or some other elemental catastrophe- J.K.Howard