“I turned and watched as the Sea Maiden continued her downward plunge into darkness.”

“He experienced the worst plunge into unpopularity of any President of the Fifth Republic in his first year of office.”

“Children who had plunged 30 feet off the bridge floundered in the muddy waters, trying to reach dry land.”

“The Inferno, the biggest amateur race in the world, will see 1,800 daredevils plunge down the 15.8km course.”

“A company's stock price could plunge when earnings fall, but its bonds could remain hot if it has a strong enough revenue stream to service its debt.”

“The coalition alleges that the cuts to bursaries will plunge students into high levels of debt by forcing them to rely more heavily on student loans to finance their education.”

“Using rubber gloves, put nettles in two litres of salted boiling water for a second to remove the sting then plunge them into iced water.”

“Quick-thinking organisers plunged the stage into darkness to protect the star's modesty.”

“I plunged forward, calling her name.”

“Cresting over the back of a wave, the boat plunges into a trough and rides up the back of another swell, crashing through into another trough.”