/ Dictionary / Index E echolalia: Meaning and Definition of Find definitions for: ech•o•la•li•a Pronunciation: (ek"ō-lā'lē-u), [key] — n. the uncontrollable and immediate repetition of words spoken by another person. the imitation by a baby of the vocal sounds produced by others, occurring as a natural phase of childhood development. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: echolalia (Thesaurus) echoism echolocation Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language