Stages of a life cycle

the time when someone is a baby

the state of being pregnant

the period of time in a person's life when they are developing into an adult

a young person between 13 and 18 years old

a person has grown to full size

one that has not yet begun to walk or talk

a young person who is developing into an adult

recently born

a young child, especially one who has recently learned to walk

the state of being pregnant

the stage in people's lives when they develop from a child into an adult

the time when someone is a baby

the period of time in a person's life when they are developing into an adult

adult

infant

toddler

teen

false friend

best friend

mutual friend

a person who you know well and who you like a lot

a person that you have met but do not know well

a person you spend a lot of time  because you are travelling together

a person who is the friend of two people

a person who is the friend of two people 

someone who is a good friend when it is easy to be one and who stops being one when you are having problems

a person who works in the same place as you

acquaintance

pal

buddy

BFF

chum

companion

workmate