standard

/ˈstændərd/
adjective
  1. Usual, normal, or expected; not special or unusual.
    • In standard English, the word 'ain't' is considered informal.
    • We offer a standard warranty of one year on all products.
    • The standard procedure is to check ID before entering.
  2. Widely accepted as a model or authority; conforming to an established norm.
    • This textbook is the standard reference for physics students.
    • The meter is the standard unit of length in the metric system.
    • Standard time zones were introduced in the late 19th century.
Synonyms
noun
  1. A level of quality, achievement, or behavior that is considered acceptable or normal.
    • Her work always meets the company's standards.
    • The restaurant maintains high standards of cleanliness.
    • We need to raise the standard of education in our schools.
  2. A rule or principle used to measure or judge something.
    • The test is based on national standards for math and reading.
    • Safety standards require all workers to wear helmets.
    • The gold standard was once used to back currency.
  3. A flag or symbol used as a rallying point, especially in military or ceremonial contexts.
    • The soldiers marched behind the regimental standard.
    • Each clan carried its own standard into battle.
    • The king's standard flew above the castle.
  4. A popular song or piece of music that has been recorded by many artists and is widely known.
    • She sang a classic standard from the 1940s.
    • Jazz standards like 'Summertime' are played in clubs everywhere.
    • The band's setlist included several old standards.