| A | B |
| Advertise | What businesses do to bring customers to them. |
| Adapt | What you do to change or adjust to a new situation. |
| Adept | You are very good, skilfull or talented at something. |
| Adjacent | Something that is near or next to something else. |
| Advocate | You support and help someone. Also, it's a person who is supportive. |
| Adversary | This is your opponent. |
| Adversity | Another name for trouble, challenges and obstacles. |
| Admonish | This is a gentle but serious correction or caution. |
| Adjudicate | This is an official or legal decision of what should be done. |
| Advent | This is the beginning or first arrival of something. |