Word  Synonym Antonym
1.Alien - foreign - native 
2.Vigilant - observant- negligent 
3. Authentic- original - fake
4.Barren - bald- fertile
5. Benevolent- kind -unkind 
6. Calamity - disaster- blessing
7. Yell - cry- murmur
8. Trivial - minor- important
9. Shrewd - sharp - stupid
10.Offspring - children- parent