1. a very young child, especially one who has not yet learned to walk or talk
2. a person who is not yet legally an adult
Usage: legal

1. relating to infants or very young children
2. in an early stage of development

Examples

• The infant slept peacefully in her crib.
• New parents often worry about their infant’s health.
• The hospital has a special infant care unit.
• She works in infant education at the daycare center.
• The company is still in its infant stages.
• Infant mortality rates have decreased significantly.
• The infant formula was recalled due to safety concerns.