A very young child or baby, typically one under one year of age. noun
The infant was sleeping peacefully in the crib.
She held the infant gently in her arms.
A person who is not yet of legal age; a minor. noun
In legal terms, an infant is someone who has not reached the age of majority.
The court appointed a guardian to represent the interests of the infant.
In an early stage of development; not yet mature. adjective
The technology is still in its infant stages and has much room for improvement.
The company is an infant in the industry, having just launched last year.