Here are some tips that can help you improve your handwriting as an adult:

1. Write in the air. Writing involves your hand, arm, and shoulder muscles. Practicing writing in the air can help you get used to the movements involved in writing.

2. Find a comfortable grip on your pen or pencil. A comfortable grip can help you write more smoothly and with less strain.

3. Practice basic letter shapes. Practicing basic letter shapes can help you develop muscle memory for writing.

4. Study a directional chart. A directional chart can help you learn how to form letters correctly.

5. Experiment with different writing utensils to find what works for you. Different pens and pencils can have different effects on your handwriting.

6. Practice your alphabet. Practicing your alphabet can help you develop muscle memory for writing.

7. Practice writing sentences. Writing sentences can help you practice writing in context.

8. Handwrite things whenever you can. Handwriting things like notes and lists can help you practice your handwriting.

I hope these tips are helpful! Let me know if there's anything else I can do for you.