The words dispossess and possess have opposite meanings, making them antonyms. While the word "possess" refers to owning or having control over an object or idea, "dispossess" indicates the loss of that control or ownership. Dispossess can also mean the eviction of someone from their home or land. Some synonyms for dispossess are displace, deprive, and divest. On the other hand, possess can be interchangeable with the words own, have, hold, or control. Antonyms are important for language learners as they help them to expand their vocabulary and better understand the nuances in meaning between related words.