"The nicest people in the world": HTML5 Crossword

Across

1. strong, determined and not afraid of arguing with people (6)
4. to be no longer valid because the period of time for which it could be used has ended (6)
6. something that is done regularly and always in the same way (6)
9. unwillingly (11)
11. not damaged or spoiled by something unpleasant (9)
12. in a way that you can rely on to always be there and always be the same (11)
14. (of a person’s behaviour) unfriendly and impatient (5)
16. spread quickly to other people (10)
17. an attitude or an emotion that is suggested and is not expressed in a direct way (8)
18. a part of a person’s character, especially an unpleasant part (6)

Down

2. land that is under the control of a particular country or ruler (9)
3. too highly valued or assessed (9)
5. to be the result of something (4)
7. causing you to feel annoyed and impatient because you cannot do or achieve what you want (11)
8. existing in large quantities; more than enough (8)
10. a very large fire that destroys a lot of land or buildings (13)
13. friendly or giving praise in a way that is not sincere and which is therefore unpleasant (8)
15. showing you do not think that you are as important as other people (6)