The unsubpoenaed witness refused to testify in court.

The unsubducted plate remains at the surface of the Earth.

She is unsubservient to anyone's authority.

The substance is unsublimable at room temperature.

The experiment was conducted in an unsubjective manner.

The Titanic was considered unsubmergible, but it tragically sank on its maiden voyage.

The power of love is unsubjectable.