• Infantile Definition & Synonyms
- (a.) Of or pertaining to infancy, or to an infant; similar to, or characteristic of, an infant; childish; as, infantile behavior.
• Infantile paralysis Definition & Synonyms
- () An acute disease, almost exclusively infantile, characterized by inflammation of the anterior horns of the gray substance of the spinal cord. It is attended with febrile symptoms, motor paralysis, and muscular atrophy, often producing permanent deformities. Called also acute anterior poliomyelitis.