unpredictable

Even a skilled politician like Micheál Martin will be tested by such an unpredictable president.

Scotland at their very, very best are unpredictable enough, and mad enough, to make it a scary day for Fabien Galthie.

An unpredictable, volatile presence onscreen, the actor leaves behind major performances in five different decades.

This has been an unpredictable awards season, and there could still be plenty of surprises in store.

They are described as "unplanned, uncontrolled, and unpredictable" and people need to take the greatest care at high-risk times of year.