tantalizing

Academy: As tantalizing a problem as was ever bound in cloth.

His wife's fine indifference was tantalizing, also instructive.

The voice was almost as familiar to him as was his own, and yet it persisted in tantalizing his memory.

I knew of nothing in the fishing game as tantalizing and despairing as this sight.

It had a familiar, tantalizing taste but he couldn't quite put a taste-finger on it.

There was the tantalizing feeling that I was on the verge of knowing at least something.

The recollection was as tantalizing as an itch; but he couldn't locate its source.

But how could she, when he was so tantalizing, mean and sly?

To be near a destination and yet unable to enter the port was most tantalizing!

Adolphine was heedless and forgetful to a tantalizing degree.