| Term | Definition / Meaning / Stand for |
| AARP |
American Association of Retired Persons (for older family members) |
| ABC |
Always Be Caring (relationship advice) |
| ABF |
Absent But Faithful (relationships where one partner is away) |
| ABS |
Abandonment Syndrome (in family context) |
| ACD |
Affectionate Caregiver Disorder |
| ACF |
Adult Child of Family |
| ADHD |
Attention Deficit Hyperactivity Disorder (can affect family dynamics) |
| AFA |
Adopted Family Association |
| AFAIK |
As Far As I Know |
| AFC |
Absent Family Communication |
| AFK |
Away From Keyboard (used in digital relationships) |
| AGC |
Adoptive Grandchildren |
| ALONE |
A Love Of New Existence (in coping with relationships) |
| AR |
Adult Relationships |
| ASAP |
As Soon As Possible (for family help) |
| ATM |
At The Moment |
| B2B |
Back-to-Back (family events) |
| BAB |
Best Aunt Buddy |
| BAM |
Baby, Always Mine |
| BBF |
Baby Brother/Father |
| BDA |
Birthday Announcement (family event) |
| BDS |
Baby Daddy Syndrome |
| BFF |
Best Friends Forever |
| BFFL |
Best Friends for Life |
| BFFN |
Best Friends for Now |
| BMC |
Biological Mother Care |
| BMT |
Birth-Mother Theory |
| BMT |
Brother's Maternal Tie |
| BPC |
Biological Parent Communication |
| BPS |
Brotherly Protection Syndrome |
| BSC |
Biological Sister Connection |
| BSC |
Blended Step-family Communication |
| BTS |
Between Siblings (relationship) |
| BTT |
Brotherly Tough Love |
| CCF |
Close Circle of Friends (family) |
| CDA |
Child Development Associate |
| CEM |
Couple's Emotional Management |
| CFC |
Child-Friendly Caregiver |
| CFC |
Couple's Family Circle |
| CFF |
Couple Family Foundation |
| CFS |
Child Family Services |
| CHD |
Children's Health Discussion |
| CIL |
Cousin-In-Law |
| CND |
Children Needs Discussion |
| COB |
Close of Business (family meeting deadlines) |
| CPI |
Child Protective Intervention |
| CPS |
Child Protective Services |
| CRM |
Child Relationship Management |
| CUA |
Caring Uncle Association |
| DAD |
Dedicated and Devoted (father role) |
| DAF |
Dear Auntie Forever |
| DD |
Dear Daughter |
| DDD |
Divorce Decision Day |
| DFA |
Divorced Family Arrangement |
| DIL |
Daughter-in-Law |
| DOM |
Domestic (family home term) |
| DPA |
Domestic Partnership Agreement |
| DPOA |
Durable Power of Attorney (family legal document) |
| DSS |
Divorce Support Services |
| DSS |
Department of Social Services |
| DTE |
Dear Twin Evening (family events) |
| DU |
Divorce Uncles (post-divorce relationship) |
| EAF |
Elderly Assistance Foundation |
| EBC |
Elderly Beneficiary Care |
| EBD |
Emotional Behavior Disorder (family support) |
| ED |
Emotional Disturbance (family impact) |
| EEC |
Early Education Counseling |
| EEC |
Extended Education Classes (parenting) |
| EFL |
Extended Family Life |
| EFT |
Emotional Freedom Technique (relationship therapy) |