Main entry: standard
Definition: established or well-known or widely recognized as a model of authority or excellence
Usage: a standard reference work; the classical argument between free trade and protectionism
Antonyms: nonstandard
Definition: not standard; not accepted as a model of excellence
Antonyms: incident, incidental
Definition: (sometimes followed by `to') minor or casual or subordinate in significance or nature or occurring as a chance concomitant or consequence
Antonyms: nonclassical
Definition: not classical
Main entry: standard
Definition: conforming to or constituting a standard of measurement or value; or of the usual or regularized or accepted kind
Usage: windows of standard width; standard sizes; the standard fixtures; standard brands; standard operating procedure
Antonyms: nonstandard
Definition: varying from or not adhering to a standard
Antonyms: irregular
Definition: contrary to rule or accepted order or general practice
Antonyms: irregular
Definition: (of solids) not having clear dimensions that can be measured; volume must be determined with the principle of liquid displacement
Antonyms: irregular
Definition: (used of the military) not belonging to or engaged in by regular army forces
Main entry: received, standard
Definition: conforming to the established language usage of educated native speakers
Usage: standard English (American); received standard English is sometimes called the King's English (British)
Antonyms: nonstandard
Definition: not conforming to the language usage of a prestige group within a community
Antonyms: nonclassical
Definition: not classical
Antonyms: unacceptable
Definition: not acceptable; not welcome
Main entry: standard, stock
Definition: regularly and widely used or sold
Usage: a standard size; a stock item
Antonyms: irregular
Definition: contrary to rule or accepted order or general practice
Antonyms: irregular
Definition: (of solids) not having clear dimensions that can be measured; volume must be determined with the principle of liquid displacement
Antonyms: irregular
Definition: (used of the military) not belonging to or engaged in by regular army forces
Main entry: standard
Definition: commonly used or supplied
Usage: standard procedure; standard car equipment
Antonyms: uncommon
Definition: not common or ordinarily encountered; unusually great in amount or remarkable in character or kind
Antonyms: individual, single
Definition: being or characteristic of a single thing or person