(psychology) A psychotherapeutic approach used to treat personality disorders, mood disorders, eating disorders, suicidal ideation, interpersonal conflicts, self-harm, substance abuse and other maladaptive coping strategies, which focuses on synthesizing the importance of self-acceptance with the acceptance of a need to change one's behavior.

The study of dialects.

plural of dialectologist

(linguistics) A person who studies regional differences in speech sounds.

plural of dialectician

(chiefly historical) Someone skilled in dialectics: someone able to arrive at logical conclusions through reasoned argument.

Someone knowledgable about dialects.

Without a dialect; speaking the neutral form of a language. / Without dialects; not divided into separate dialects.

Obsolete form of dialectic.

In terms of dialectology.