| Tools to study difficult words | Show Helper | 
| Difficult IELTS Words - Group 1 | View Group Words | 
|   New    Known    Review | 
| arid | 
|     | 
| a. lacking moisture, especially having insufficient rainfall to support trees or woody plants | 
|   New    Known    Review | 
| armour | 
|     | 
| n. defensive covering, as of metal, wood, or leather, worn to protect the body against weapons |