| adolescent |
having to do with the period when a person is changing from a child to an adult. [2 definitions] |
| adulthood |
the part of life when a person is grown up; the adult years. |
| age of majority |
the age at which a person is granted by law the rights and responsibilities of an adult, such as liability under contract and the right to sue. |
| Anabaptist |
a member of any of several Protestant sects formed in the sixteenth century that baptized only adult believers, opposed military service, and advocated the separation of church and state. [1/2 definitions] |
| baby tooth |
one of the first set of teeth in human babies and other mammals. Baby teeth fall out early in life to be replaced by adult teeth. |
| bar mitzvah |
a Jewish ceremony that celebrates a boy becoming an adult and the beginning of his religious duties. The bar mitzvah usually takes place when the boy is thirteen years old. |
| bat mitzvah |
a Jewish ceremony that celebrates a girl becoming an adult and the beginning of her religious duties. The bat mitzvah usually takes place when the girl is thirteen years old. |
| boar |
the adult male of certain mammals, such as the guinea pig, badger, or bear. [1/3 definitions] |
| bring up |
to take care of a child until the child is an adult. [1/2 definitions] |
| buck1 |
an adult male deer, goat, or rabbit. Adult males of some similar animals are also called bucks. |
| bull1 |
an adult male of cattle and some other animals. |
| callow |
lacking adult sophistication or judgment; inexperienced; immature. |
| caregiver |
a person, such as a family member or foster parent, who is responsible for the care of a child or dependent adult. [1/2 definitions] |
| chaperone |
an adult who goes along with young people in a social situation to make sure they behave properly and are safe. |
| Chocolate Tang |
any member of a species of fishes found in the tropical waters of Southeast Asia which are yellow as a juvenile and become primarily gray and brown with multi-colored accents as an adult, also called Lemon Peel Mimic. |
| chrysalis |
the hard outside covering on a moth or butterfly while it is a pupa, the stage before it becomes an adult with wings. Many kinds of moths and butterflies make a chrysalis instead of a cocoon. Chrysalis is also sometimes used as another name for the pupa itself. |
| cock1 |
an adult male chicken or the male of other closely related birds, such as turkeys or pheasants; rooster. [1/3 definitions] |
| cocoon |
a covering made by young insects and some other arthropods to protect themselves while they change from a pupa into an adult. Some spiders make cocoons to hide their eggs. |
| colony collapse disorder |
an event in which all or most of the worker bees of a hive disappear, leaving in the hive the queen, the immature bees, and some adult bees to care for the immature bees, and the honey. |
| confirmation |
a religious rite or ceremony performed to admit a person to full adult membership in a church. [1/3 definitions] |
| cow1 |
the adult female of cattle and some other animals. People keep cows for their milk, meat, and skin. |