inseparable (adjective)

1. The inseparable bond between the two characters in the movie made the audience root for their love story.

2. The inseparable duo of Tom and Jerry always entertained everyone with their mischievous adventures.

3. The inseparable alliance between the United States and Great Britain played a significant role during World War II.

4. The inseparable relationship between Sherlock Holmes and Dr. John Watson is one of the most iconic partnerships in literature.