baby

A very young human, particularly from birth to a couple of years old or until walking is fully mastered.

Any very young animal, especially a vertebrate; many species have specific names for their babies, such as kittens for the babies of cats, puppies for the babies of dogs, and chicks for the babies of birds. See Category:Baby animals for more.

Unborn young; a fetus.

A person who is immature, infantile or feeble.

A person who is new to or inexperienced in something.

The lastborn of a family; the youngest sibling, irrespective of age.

A term of endearment used to refer to or address one's girlfriend, boyfriend or spouse.

(informal) A form of address to a person considered to be attractive.

A concept or creation endeared by its creator.

A pet project or responsibility.

An affectionate term for anything.

(archaic) A small image of an infant; a doll.

(often attributive) One who is new to an identity or community.