<p><strong>Adjective</strong></p><ul><li>of, pertaining to, proceeding by, or involving synthesis (analytic).</li><li>noting or pertaining to compounds formed through a chemical process by human agency, as opposed to those of natural origin: synthetic vitamins; synthetic fiber.</li><li>(of a language) characterized by a relatively widespread use of affixes, rather than separate words, to express syntactic relationships: Compare analytic, polysynthetic. Latin is a synthetic language, while English is analytic.</li><li>also synthetical.</li><li>Logic. of or relating to a noncontradictory proposition in which the predicate is not included in, or entailed by, the subject.</li><li>not real or genuine; artificial; feigned: a synthetic chuckle at a poor joke.</li><li>noting a gem mineral manufactured so as to be physically, chemically, and optically identical with the mineral as found in nature.</li><li>(not in technical use) noting a gem mineral manufactured and pigmented in imitation of a natural gemstone of that name.</li></ul><p><strong>Noun</strong></p><ul><li>something made by a synthetic, or chemical, process.</li><li>synthetics.</li><li>substances or products made by chemical synthesis, as plastics or artificial fibers.</li><li>the science or industry concerned with such products.</li></ul>