They are characterized by extravagant gestures, posturing and the like.

He flung the door open with an extravagant gesture,invited the men outside to come in.

He swung his arm wide in an extravagant gesture to mark not the goal of their choice but the block building beyond it.

What happens at Best Friends represents, by any measure, an extravagant gesture.

Valentino tried to keep his clothes quiet, but every so often, he could not resist an extravagant gesture.

For an impromptu expression of anger, it was an extravagant gesture.

He planned on making an extravagant gesture and handing it to Primo.

The offers were only generalized and extravagant gestures of goodwill, which he knew would never be accepted.

It was an extravagant gesture never likely to be achieved except by some catastrophe such as had just occurred.

Poirot made an extravagant gesture with his hand "It is significant!