The primary proposal -- known as the "Delaware Plan" -- had many supporters in its early stages, but interest soon waned.

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League bowling had once been among America's most popular activities, but interest in it had waned.

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Yet interest in the bill waned almost as soon as the Closing Ceremonies were over.

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It has been suggested that Liverpool's interest in Barry has waned, what with the mooted sale of Xabi Alonso to Juventus falling through.

BBC: Barry returns to Villa training

This was revealed in released Fed minutes, which suggested that the Fed's interest in further QE had waned.

BBC: Eurozone services sector 'remains weak'

Interest in the first world war, wrongly thought to be unforgettable, waned as its veterans died.

ECONOMIST: Britain celebrates a piece of history that is rapidly dying