The fault of opening the mouth too wide when speaking.

Alteration of the voice as a result of disease; dysphonia.

attributive and in other combinations, as lullaby-song, lullaby-sound, lullaby-speech, lullaby-strain.

Split or divided to a certain depth; bifurcate. cleft palate: a malformation of the palate, in which a longitudinal gap exists in the middle or on…

defective articulation of speech.

A nervous disorder causing defective memory of words.

The changing of another sound into the phoneme/z/; frequent use of this phoneme in spoken language. Also: use of the Greek letter ζ or Latin letter z…

Inability, or loss of the ability, to speak, esp. as a result of defective intelligence or cerebral disease; (in later use) spec. reduction in the…

An imperfect pronunciation of r, by which the sound of that letter is confused with that of l; lambdacism.

A faulty pronunciation of the letter r, making it sound like l; lallation.

applied to those who, through deafness, speak only imperfectly.

The saying or writing of one word or phrase when another is meant.

Loss of the ability to use correct grammar; a form of aphasia characterized by this.

slowness of speech due to mental defect or disease.

= heterophemy, n. (as a result of mental disease).

A morbid affection of the speech (New Sydenham Soc. Lexicon).

The substitution in written language of one word, syllable, or letter for another, usually as a sign of aphasia; an instance or example of this.

The substitution of a word, syllable, or letter for another in reading; an instance of this.

Disordered speech characterized by unintentional substitution of incorrect words or syllables; an instance of this.

Incoherent or disordered speech; paraphasia.

The persistent repetition of a sound, word, or phrase, esp. as a sign of a psychiatric or neurological disorder.

a word, phrase, or syllable whose repetition is the only speech production in certain types of aphasia.

the inability to understand written or printed words when seen, resulting from localized brain damage; = alexia, n.; (also, gen.) dyslexia.

the inability to understand the meaning of spoken words, owing to localized brain damage.

Pathology. (Cf. scanning, adj. 2.)

(a) the marked use or repetition of s; an instance of this; (b) defective articulation of sibilants.

(a) Medicine a form of dyslalia characterized by consistent substitution of speech sounds to such a degree that the affected person seems to…

Pathology. staccato speech, staccato utterance: see scanning, adj. 2.

speech that is a disorderly, meaningless jumble of words, often containing neologisms, occurring esp. in advanced schizophrenia; (more generally)…

Disordered speech characterized by involuntary repetition of words, phrases, or sentences.

Incorrect use of grammatical or syntactical elements in certain forms of aphasia and other speech disorders; an instance of this.

= idioglossia n. (a).

A speech disorder affecting inflection, stress, and rhythm, sometimes found in aphasic conditions.

Applied (chiefly in the possessive case) to anatomical features, etc., discovered by or named after Broca (see quots.). Broca's aphasia, motor…