— dialectally , adv.
/duy'euh lek"tl/ , adj.
1. of a dialect.
2. characteristic of a dialect.
Also, dialectic, dialectical .
[ 1825-35; DIALECT + -AL 1 ]
Usage . In linguistics DIALECTAL, not DIALECTICAL, is the term more commonly used to denote regional or social language variation: Dialectal variation is more marked in the South than elsewhere in the United States. In general writing either term may be found.