The term "abandoned infant" refers to a baby who has been left alone, without care or protection from their parents or guardians. There are several synonyms for this term, including "orphaned infant", "neglected baby", "foundling", "abandoned child", and "deserted newborn". These words all describe a child who has been left alone and vulnerable, often with no known family or support system. It is important to remember that abandoned infants need love, care, and attention just like any other child, and it is our responsibility as a society to ensure that they receive the support and resources needed to thrive.