Disorders of the quality of speech characterized by the substitution, omission, distortion, and addition of phonemes.

Synonyms: Unintelligible Articulations, Disarticulation Disorders, Articulation Disorders, Developmental, Developmental Articulation Disorder, Impairments, Phonological, Unintelligible Articulation, Articulations, Unintelligible, Phonological Impairment, Disorder, Disarticulation, Disorders, Disarticulation, Phonology Impairments, Impairment, Phonological, Articulation Disorders, Speech, Phonological Impairments, Misarticulation, Articulation Disorder, Developmental, Articulation, Unintelligible, Articulation Disorder, Developmental Articulation Disorders, Articulation Disorder, Speech, Phonology Impairment, Impairments, Phonology, Speech Articulation Disorders, Speech Articulation Disorder, Disarticulation Disorder, Articulation Disorders, Impairment, Phonology