Every now and then one or more of these people would stop another in midstride and hold a quick hushed impromptu discussion where they stood.

The store became an informal cultural center with poetry readings, meetings, impromptu discussions, seminars and a weekly hootenanny session for folk-song fans.

The impromptu three-hour discussion surprised and irked House Democratic leaders, who grumbled that any talk of impeachment stepped on the Democratic message of the week.

The students will have much less of an opportunity to have impromptu discussions with their teachers - and each other - than they would at a full-time program.

Do not attempt to "put in your two cents' worth" in any impromptu discussions between Mike and your family or friends.

She had stepped over the line, but try as she would, Brynn couldn't make herself regret the impromptu discussion with her students.

He began holding impromptu philosophical discussions after strangers joined a talk he was having with two friends on a Sunday morning in 1992.

Before batting practice, about half of the Yankees sat there, joined in an impromptu discussion about the 50 top athletes of the century.

No more impromptu discussions with officials after they've whistled him for a foul he certainly didn't commit or for not calling one obviously inflicted on him.

Employees often ignore costly corporate-sanctioned software and revert to informal social networks - whether simply e-mail or impromptu water-cooler discussions.