<p><strong>Adjective:</strong></p><ul><li>of, relating to, or characteristic of Greek and Roman antiquity: classical literature; classical languages</li><li>conforming to ancient Greek and Roman models in literature or art, or to later systems modeled upon them</li><li>marked by classicism: classical simplicity</li><li>of, relating to, or constituting the formally and artistically more sophisticated and enduring types of music, as distinguished from popular and folk music and jazz</li><li>of, pertaining to, characterized by, or adhering to the well-ordered, chiefly homophonic musical style of the latter half of the 18th and the early 19th centuries: Haydn and Mozart are classical composers</li><li>noting or pertaining to the architecture of ancient Greece and Rome, especially the religious and public architecture, characterized by the employment of orders</li><li>noting or pertaining to any of several styles of architecture closely imitating the architecture of ancient Greece or Rome; neoclassic</li><li>noting or pertaining to architectural details or motifs adapted from ancient Greek or Roman models</li><li>(of an architectural design) simple, reposeful, well-proportioned, or symmetrical in a manner suggesting the architecture of ancient Greece and Rome</li><li>(often initial capital letter) pertaining to or designating the style of fine arts, especially painting and sculpture, developed in Greece during the 5th and 4th centuries b.c., chiefly characterized by balanced composition, the separation of figures from an architectural background, and the naturalistic rendering of anatomical details, spatial movement, and distribution of weight in a figure</li><li>pertaining to or versed in the ancient classics: a classical scholar</li><li>relating to or teaching academic branches of knowledge, as the humanities, general sciences, etc., as distinguished from technical subjects</li><li>(of a given field of knowledge) accepted as standard and authoritative, as distinguished from novel or experimental: classical physics</li></ul><p><strong>Noun:</strong></p><ul><li>an author or a literary work of the first rank, especially one of demonstrably enduring quality</li><li>an author or literary work of ancient Greece or Rome</li><li>(the) classics, the literature and languages of ancient Greece and Rome</li><li>an artist or artistic production considered a standard</li><li>a work that is honored as definitive in its field: His handbook on mushrooms is a classic</li><li>something noteworthy of its kind and worth remembering: His reply was a classic</li><li>an article, as of clothing, unchanging in style: Her suit was a simple classic</li><li>a typical or traditional event, especially one that is considered to be highly prestigious or the most important of its kind: The World Series is the fall classic of baseball</li><li>classical music: a jazz pianist who studied classical for years</li></ul>