unpredictable

Though conversational and often witty, his meandering phrases become increasingly unpredictable as they develop.

After decades of violence, flights to Kisangani are unpredictable and Western tourists are virtually unheard of.

Good news, in an epidemic as unpredictable as this one, must be met with caution.

The sexual acts are mysterious, unpredictable, and passionate; they tease your senses.

Poor Stone, like most of us, forced to share a stage with this unpredictable, spoiled brat, looked uncomfortable.

Blessed if you're not as unpredictable as one of Hitler's speeches.

In the color-selecting tests the average of error was quite unpredictable.

Would she thank me, or would she reply with some eccentricity unpredictable as her whim to tell me that tale?

It was the first of several unpredictable events quite outside the range of Ed's experience.

Her humors, where he was concerned, were unpredictable; and lately she had found a special 152 delight in attacks on his dignity.