Standard  —n. 1 object, quality, or measure serving as a basis, example, or principle to which others conform or should conform or by which others are judged. 2 a level of excellence etc. Required or specified (not up to standard). B average quality (of a low standard). 3 ordinary procedure etc. 4 distinctive flag. 5 a upright support. B upright pipe. 6 a tree or shrub that stands without support. B shrub grafted on an upright stem and trained in tree form. 7 tune or song of established popularity. —adj. 1 serving or used as a standard. 2 of a normal or prescribed quality, type, or size. 3 of recognized and permanent value; authoritative (standard book on jazz). 4 (of language) conforming to established educated usage. [anglo-french: related to *extend, and in senses 5 and 6 of n. Influenced by *stand]