This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Failing to meet a standard; below standard.

adj. Linguistics Of, relating to, or indicating a pattern of linguistic usage that does not conform to that of the prestige group in a speech community or to that of the standard language.

adj. Linguistics Not in accord with notions of good English; nonstandard. See Usage Note at nonstandard.

adj. Of inferior quality; not meeting the minimum quality requirements.

Less than the normal standard.

adj. falling short of some prescribed norm

"However, Auckland engineer John Scarry, who has lobbied successive Governments about what he calls substandard practices in the industry, says the new regulatory system is superficial."

nonstandard   

substantia hyalina    substandard risk    substantial damages    substantia opaca    substantial compliance   

gerrymandered    meandered    nonstandard    pandered    slandered    standard   

digital    sweetwater    under-served    underdressed    under-funded    undertrained    underappreciated    socio-economic    sal ammoniac    economists'