[dahy-uh-lek-tl] /ˌdaɪ əˈlɛk tl/
of a dialect.
characteristic of a dialect.
1825–35; dialect + -al1
Related forms
dialectally, adverb
interdialectal, adjective
interdialectally, adverb
nondialectal, adjective
nondialectally, adverb
subdialectal, adjective
subdialectally, adverb
Can be confused
dialectal, dialectic, dialectical (see usage note at the current entry)
Usage note
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.
Example Sentences for dialectal
Care needs to be taken not to interpret some grammatical errors or dialectal differences as evidence of a disorder.
Comprehension may be hindered by dialectal varieties of the language used by the characters.
British Dictionary definitions for dialectal
dialect (ˈdaɪəˌlɛkt)
a.  a form of a language spoken in a particular geographical area or by members of a particular social class or occupational group, distinguished by its vocabulary, grammar, and pronunciation
 b.  a form of a language that is considered inferior: the farmer spoke dialect and was despised by the merchants
 c.  (as modifier): a dialect word
[C16: from Latin dialectus, from Greek dialektos speech, dialect, discourse, from dialegesthai to converse, from legein to talk, speak]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Word Origin and History for dialectal
1831, from dialect + -al (1).
Online Etymology Dictionary, © 2010 Douglas Harper
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Difficulty index for dialectal

Few English speakers likely know this word

Tile value for dialectal

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