Simple past tense and past participle of nosedive.(verb)
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Use "nosedived" in a sentence
"The usual ain't great but I can't bounce back from it - sort of didn't, kind of nosedived, but hey, I am just reflecting the US economy has anyone tracked if the DOW causes my seizures?"
"That investment 'nosedived' for some and the man they trusted with their money is being accused of 'taking off' and wiping them out. "
"The Seair Beaver had just left Saturna Island, about 30 miles south of Vancouver, when witnesses said it "nosedived" into the water."