<p><strong>Noun:</strong></p><ul><li>A particular state of mind or feelings.</li></ul><p><strong>Synonyms:</strong></p><ul><li>Point of view, perspective, outlook, inclination, attitude, humor, frame of mind, cheer.</li></ul><p><strong>Habit of mind:</strong></p><ul><li>Especially with respect to irritability or patience, outbursts of anger, or the like; disposition: an even temper.</li></ul><p><strong>Synonyms:</strong></p><ul><li>Temperament, spirit, nature, makeup, habit, grain, disposition.</li></ul><p><strong>Heat of mind or passion:</strong></p><ul><li>Shown in outbursts of anger, resentment, etc.</li></ul><p><strong>Synonyms:</strong></p><ul><li>Petulance, irritation, irritability, crossness, annoyance, resentment.</li></ul><p><strong>Calm disposition or state of mind:</strong></p><ul><li>To be out of temper.</li></ul><p><strong>Synonyms:</strong></p><ul><li>Composure, equanimity.</li></ul><p><strong>A substance added to something:</strong></p><ul><li>To modify its properties or qualities.</li></ul><p><strong>Metallurgy:</strong></p><ul><li>The degree of hardness and strength imparted to a metal, as by quenching, heat treatment, or cold working.</li></ul><p><strong>The operation of tempering.</strong></p><ul><li>Archaic: A middle course; compromise.</li><li>Obsolete: The constitution or character of a substance.</li></ul><p><strong>Verb (used with object):</strong></p><ul><li>To moderate or mitigate: to temper justice with mercy.</li><li>To soften or tone down.</li><li>To bring to a proper, suitable, or desirable state by or as by blending or admixture.</li><li>To moisten, mix, and work up into proper consistency, as clay or mortar.</li><li>Metallurgy: To impart strength or toughness to (steel or cast iron) by heating and cooling.</li><li>To produce internal stresses in (glass) by sudden cooling from low red heat; toughen.</li><li>To tune (a keyboard instrument, as a piano, organ, or harpsichord) so as to make the tones available in different keys or tonalities.</li><li>To modify (color) by mixing with a medium.</li><li>Archaic: To combine or blend in due proportions.</li><li>Archaic: To pacify.</li></ul><p><strong>Verb (used without object):</strong></p><ul><li>To be or become tempered.</li></ul>