"MY VOCAB PRACTICE"

1. Unnatural:
   Artificial Intelligence is the most unnatural form of artificial world.

2. Unfamiliar:
   The priest at the wedding party was unfamiliar to most people who had come from the diaspora.

3. Unrelated:
   After losing all his bet, James found himself unrelated with betting.

4. Ungrammatical:
   Most first learners of a foreign language are so ungrammatical that it is annoying conversing to them.