non-standard

See also: nonstandard

English

Etymology

From non- +‎ standard.

Adjective

non-standard (comparative more non-standard, superlative most non-standard)

1. Alternative spelling of nonstandard
   • 1950 September, H. C. Casserley, “Locomotive Cavalcade, 1920-1950—3”, in Railway Magazine, page 591:

     By 1932, nearly all the odd non-standard engines, which the L.M.S.R. and the L.N.E.R. had acquired at the grouping, had disappeared.