Yes, it is an adjective. It means of or like an infant. It can mean childish.
Infantile. Any rationale supporting a preemptive nuclear strike seems infantile.
The words 'juvenile' and 'infantile' are two synonyms for the word 'childish'.
my brother is suffering from infantile glaucoma
Dr.Kearny was an expert in INFANTILE diseases
Infantile Autism is when a baby or toddler (an Infant) has autism.
Infantile spasms (IS) are seizures seen in epilepsy of infancy and early childhood
Polio was called Infantile Paralysis in the early 20th. century.
The feminine/masculine adjective infantile is just one Italian equivalent of the English word "childish." The pronunciation will be "EEN-fan-TEE-ley" in Italian.
Antiepileptic medications are the mainstay of therapy for infants with infantile spasms
childishly
Infantile spongy degeneration is also called Canavan disease
About one in ten babies develop a form of atopic dermatitis called infantile eczema. Characterized by skin that oozes and becomes encrusted, infantile eczema most often occurs on the face and scalp