In your IELTS writing test, Instead of saying “very important”, “very difficult”, you can use more advanced alternatives, which will impress your IELTS examiner.

1. Of paramount importance (Very important)

For a successful business, customer satisfaction is of paramount importance.

2. Invaluable (Very valuable)

Technology has played an invaluable role in enhancing healthcare delivery and improving patient outcomes.

3. Detrimental (Very bad)

The excessive use of social media can have detrimental effects on individuals’ mental well-being and interpersonal relationships.

4. Extremely challenging (Very difficult)

The process of learning a new language can be extremely challenging.

5. Significant (Very big)

Education plays a significant role in shaping individuals’ knowledge, skills, and future prospects.

6. Affordable (Very cheap) 

The availability of affordable public transportation plays a vital role in reducing traffic congestion and air pollution.