| A | B |
| postmodern family | is a term meant to include all family variations existing today |
| cohabitation | refers to the condition of heterosexual couples living together without being married |
| bigamy | is the act of entering into a marriage with one person while still legally married to another |
| polygamy | is marriage between one person and more than one spouse, including marriage between a woman and multiple husbands (polyandry) and a man and multiple wives (polygyny); sometimes called plural marriage |
| divorce | is the legal termination of a marriage |
| civil union | refers to same sex couples recognized in certain states without the legal rights guaranteed by the federal government to traditional married couples |
| fixed income | is income from a pension, annuity, or other source that is frozen at a certain level; fixed incomes may be increased with cost-of-living raises |
| passive euthanasia | is withholding treatment that would prolong life because the current quality of life is minimal |
| euthanasia | is taking another person’s life to prevent suffering |
| assisted suicide | refers to the situation in which one person supplies the means for another to commit suicide in order to prevent suffering |
| ageism | is discrimination in the workplace or other areas because of age |
| boomerang kids | are adult children who return to live with parents temporarily |
| cluttered nest | is a home to which adult children have returned to live temporarily |
| spacious nest | is the transition to more physical room in the empty nest home and more psychological space for the marital relationship |
| empty nest | is a home after the last child has left home |
| sandwich generation | is the generation that may be responsible for care for aging parents and young children at the same time |
| psychological parent | is a person serving as a parent who is not biologically related to the child |
| nuclear family | refers to a husband and wife who are legally married, have children, and live together |
| single-parent family | is a family in which one parent is responsible for the children in a household |
| stepfamily | describes the family of a person who remarries after divorce or death of the spouse, including all children |