They're often described as round or oval lumps with distinct edges.

"She got an earache on an airplane," John said with a distinct edge in his voice.

The sweetly feminine voice coming from behind Joe had a distinct edge to it.

With a distinct edge, he said, "I just don't get it."

There was a faint but distinct edge of warning in that.

Key's ignorance of this one fact had given her a distinct edge.

He looked steadily at the American, and when he spoke again there was a distinct edge in his voice.

It has become clear in the last few years that ready access to credit is a distinct edge large-cap companies have over smaller concerns.

But when he spoke to Cathy, there was a distinct edge of impatience to his voice.

He repeated himself, a distinct edge to his voice.