After four frustrating hours, he sent off a nasty e-mail to the designers.

This eliminates many of the frustrating hours of trying to get a straight answer on what to do.

There Ursus sat for a further frustrating hour before he was ushered in to the King.

Also, if you have a problem with your service, you need not call a 1-800 number and get stuck on hold for a frustrating three hours.

Two frustrating hours later, he returned, annoyed and uneasy.

After more frustrating hours spent on the phone and writing letters, he resolved the matter, for now at least.

She spent a frustrating hour persuading the comms unit to leave him a message.

On popular routes, that can mean frustrating hours in traffic for vacation-bound drivers.

Most people know someone who spent frustrating, freezing hours on line, only to come up empty-handed.

He had already spent a wasted, frustrating hour and a quarter at Heathrow, changing flights.