Med. [f. Gr. ἀ priv. + λαλία talking.] Loss of the power of speech.
1878. A. M. Hamilton, Nerv. Dis., 162. In 1840, Lordat
who became aphasic himself, described the disease under the name of alalia.
1879. Syd. Soc. Lex., s.v., When all the letters are gone, the alalia is said to be complete.