Definitions for echolaliaˌɛk oʊˈleɪ li ə
Random House Webster's College Dictionary
ech•o•la•li•aˌɛk oʊˈleɪ li ə(n.)
the uncontrollable and immediate repetition of words spoken by another person, esp. as associated with mental disorder.
Origin of echolalia:
ech`o•lal′ic-ˈlæl ɪk, -ˈleɪ lɪk(adj.)
an infant's repetition of sounds uttered by others
(psychiatry) mechanical and meaningless repetition of the words of another person (as in schizophrenia)
The immediate, involuntary, and repetitive echoing of words or phrases spoken by another.
An infant's repetitive imitation of vocal sounds spoken by another person, occurring naturally during childhood development.
U.S. National Library of Medicine
Involuntary ("parrot-like"), meaningless repetition of a recently heard word, phrase, or song. This condition may be associated with transcortical APHASIA; SCHIZOPHRENIA; or other disorders. (From Adams et al., Principles of Neurology, 6th ed, p485)