1) Electronegative 2) Metalloid 3) Nonmetal 1) Metalloid 2) Nonmetal 3) Of or relating to a nonmetal 
• (a.) Not metallic. • (a.) Resembling, or possessing the properties of, a nonmetal or metalloid; as, sulphur is a nonmetallic element. • (a.) Not metallic. • (a.) Resembling, or possessing the properties of, a nonmetal or metalloid; as, sulphur is a nonmetallic element.
Non`me·tal'lic adjective 1. Not metallic. 2. (Chemistry) Resembling, or possessing the properties of, a nonmetal or metalloid; as, sulphur is a nonmetallic element. 
[adj] - not containing or resembling or characteristic of a metal
nonmetal adjective not containing or resembling or characteristic of a metal; `nonmetallic elements`
of or relating to a nonmetal. · not of a metallic quality: a nonmetallic appearance.