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had trebled

  • past perfect
    of treble.
    treble
    adjective
    threefold; triple.

Example Sentences

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She said calls to the charity's helpline had trebled in the past five years, and said it should not be left to charities and schools to pick up the pieces.

From BBC Jan. 8, 2025

Mike Amey, managing director of global investment management firm Pimco, told the BBC that profit on a house sold by Persimmon had trebled since Help to Buy was introduced, "roughly from £20,000 to £60,000".

From BBC Feb. 26, 2019

By 2007, the state had trebled its number of inmates in a little over 15 years, to some 172,000.

From The Guardian Oct. 16, 2015

By 2013 it had trebled to $11,000, higher than Malaysia.

From Reuters May 25, 2015

It had trebled in size; broad streets and handsome houses had been erected, and the town had spread in all directions.

From In the Heart of the Rockies by Henty, G. A. (George Alfred)