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Synonyms

nonstandard

American  
[non-stan-derd] / ˈnɒnˈstæn dərd /

adjective

  1. not standard.

  2. not conforming in pronunciation, grammar, vocabulary, etc., to the usage characteristic of and considered acceptable by most educated native speakers; lacking in social prestige or regionally or socially limited in use.

    a nonstandard dialect; nonstandard English.

  3. Mathematics. of or relating to a generalized system of numbers that includes the real numbers but also includes infinite and infinitesimal numbers.

    nonstandard analysis.


nonstandard British  
/ nɒnˈstændəd /

adjective

  1. denoting or characterized by idiom, vocabulary, etc, that is not regarded as correct and acceptable by educated native speakers of a language; not standard

  2. deviating from a given standard

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Usage

A term labeled Nonstandard in this dictionary is one that is thought to be characteristic of the speech of persons with little education—a term that is often regarded as a marker of low social status.

Etymology

Origin of nonstandard

First recorded in 1920–25; non- + standard

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The company will no longer exclude stock-based pay from its nonstandard financial metrics.

From The Wall Street Journal • Mar. 10, 2026

"We actually had to do something nonstandard to achieve this," Bonagiri said.

From Science Daily • Feb. 29, 2024

Anyone who pursues a nonstandard creative career in America and doesn’t have generational wealth or a rich spouse will likely hold at least two jobs.

From Slate • Jan. 3, 2024

However, they don’t fit nonstandard spaces very well, and they’re harder to retrofit into existing spaces, so they work best in new construction.

From Seattle Times • Jun. 13, 2023

Figure 1.8: It is rare these days to see the G and F clefs in these nonstandard positions.

From "Understanding Basic Music Theory" by Catherine Schmidt-Jones and Russel Jones