immiscible (adjective)

1. In the comic book, the immiscible characters of fire and water could never mix together.

2. When designing the space, the architect made sure to separate the immiscible areas for privacy and functionality.

3. In the fantasy realm, there was an immiscible potion mixture that only the chosen hero could combine.

4. Their love was like two immiscible substances, unable to mix and create a harmonious bond.