semidialectal
adjEtymology From semi- + dialectal.
1
Of a language or vocabulary Having a mixture of dialectal and standard words or grammar
- It does not suffice to collect a few semiliterate, semidialectal speakers to construct a descriptive grammar of a big language of modern civilization. If we try, we may emerge with a descriptive grammar of a few idiolects or dialects […]1965, Mario Pei, Invitation to Linguistics, page 233: