infancy
/ˈɪnfənsi/The earliest stage of life, when a person is still a baby.
Example: Most children start walking towards the end of infancy.

C111 words · Advanced
Life Stages vocabulary for a life seen as a sequence of stages, including milestone, centenarian and twilight years, plus mortality and demise.

The earliest stage of life, when a person is still a baby.
Example: Most children start walking towards the end of infancy.

An important event that marks a new stage in someone's development.
Example: Her first day at school marks an important milestone.

Having a strong effect on how someone's character develops, especially in the early years.
Example: Those summers on my grandparents' farm were formative for me.

The fact that everyone will eventually die.
Example: The illness made him think seriously about his own mortality.

The final years of a person's life, usually in old age.
Example: She spent her twilight years painting by the sea.

The period of a person's life when they are strongest, healthiest or most successful.
Example: The athlete was in her prime when she won the title.

A formal word for someone's death.
Example: The newspaper reported the sudden demise of the businessman.

Someone who has lived to a hundred years old.
Example: The village has produced three centenarian residents in a decade.

Relating to the medical care of very old people.
Example: The geriatric ward is on the third floor of the old building.

To care for and encourage someone while they are growing.
Example: Schools cannot nurture a child the way a stable home does.

To gradually stop feeding a baby milk and start giving it other food.
Example: Doctors advise parents to wean a child at around six months.
