[sub.stan.dard] adj (1897): deviating from or falling short of a standard or norm: as a: of a quality lower than that prescribed by law b: conforming to a pattern of linguistic usage existing within a speech community but not that of the prestige group in that community c: constituting a greater than normal risk to an insurer
SUBSTANDARD
Meaning of SUBSTANDARD in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012