Seen from the A65, the top of Moughton appears unusually flat and dead level for over half a mile.

Gifts like this must have been rare this year, since the consensus was that business was unusually flat.

Iwo Jima is unusually flat and featureless for a volcanic island.

'It's all right,' Jonathan told me, in an unusually flat voice.

His voice sounded unusually flat, especially considering the rush of his rapid descent.

The coast of the North Sea is unusually flat.

For unusually flat feet or high arches, an exam by a podiatrist may be warranted.

The floor within the inner wall is unusually flat and smooth, with the central peak being the only notable feature.

It is also an unusually flat town, since it's situated in the middle of the so-called Närke Plain.

His voice was unusually flat, the sound of a Vulcan exerting even more control than usual.