trough

Instead, it rises in jagged and uneven peaks and troughs at the side of the local playground in Spring Farm Park - as if someone has thrown a mossy blanket to cover up an unsightly mess.

Peaks and troughs of the gold price have occurred at some of the key moments in economic history.

Welsh rugby is used to peaks and troughs, ecstatic highs and wretched lows with not much in between.

He advised the channel, "Stay the course. The audience is exhausted and needs a break. It’ll be back — and Resistier than ever. Suffer the ratings trough."

Mark says that businesses like his can be loyal to workers and take long-term decisions, riding through the peaks and troughs of the business cycle.