<p><strong>Noun</strong></p><ul><li>Something considered by an authority or by general consent as a basis of comparison; an approved model.</li><li>An object that is regarded as the usual or most common size or form of its kind:<ul><li>We stock the deluxe models as well as the standards.</li></ul></li><li>A rule or principle that is used as a basis for judgment:<ul><li>They tried to establish standards for a new philosophical approach.</li></ul></li><li>An average or normal requirement, quality, quantity, level, grade, etc.:<ul><li>His work this week hasn't been up to his usual standard.</li></ul></li><li>Standards, those morals, ethics, habits, etc., established by authority, custom, or an individual as acceptable:<ul><li>He tried to live up to his father's standards.</li></ul></li><li>A grade of beef immediately below good.</li><li>The authorized exemplar of a unit of weight or measure.</li><li>A certain commodity in or by which a basic monetary unit is stated.</li><li>The legally established content of full-weight coins.</li><li>The prescribed degree of fineness for gold or silver.</li><li>British: a class or grade in elementary schools.</li><li>A musical piece of sufficiently enduring popularity to be made part of a permanent repertoire, especially a popular song.</li><li>A flag indicating the presence of a sovereign or public official.</li><li>A flag, emblematic figure, or other object raised on a pole to indicate the rallying point of an army, fleet, etc.</li><li>Military: any of various military or naval flags.</li><li>The colors of a mounted unit.</li><li>Standard, a U.S. Navy radar-guided surface-to-air missile with a range of 10–30 miles (16–48 km).</li><li>Heraldry: a long, tapering flag or ensign, as of a monarch or a nation.</li><li>Something that stands or is placed upright.</li><li>A long candlestick or candelabrum used in a church.</li><li>An upright support or supporting part.</li><li>Armor: a standing collar of mail.</li><li>Horticulture: a plant trained or grafted to have a single, erect, treelike stem.</li><li>Botany: a distinct petal, larger than the rest, of certain flowers; a vexillum.</li></ul><p><strong>Adjective</strong></p><ul><li>Serving as a basis of weight, measure, value, comparison, or judgment.</li><li>Of recognized excellence or established authority:<ul><li>A standard reference on medieval history.</li></ul></li><li>Usual, common, or customary:<ul><li>Chairs are standard furniture in American households.</li></ul></li><li>Not electric or automatic; manual:<ul><li>Standard transmission.</li></ul></li><li>Conforming in pronunciation, grammar, vocabulary, etc., to the usage of most educated native speakers, especially those having prestige, and widely considered acceptable or correct:<ul><li>Standard pronunciation.</li></ul></li><li>Compare nonstandard.</li><li>Authorized or approved:<ul><li>The program was broadcast on the standard broadcast band.</li></ul></li></ul>