Healthy-healthier
the adjective of health
1. Healthy and strong
That book is not suitable for children to read.
That book is unhealthy and not suitable for children to read.
2. Healthy
Swimming is a wholesome pleasure.
Swimming is a healthy recreational activity.
3. Prosperity and development
The economy of this country is not very healthy.
The economy of this country is not very prosperous.
Step 4 reflect health
5. Normal and reasonable
6. Big and successful; sizable