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have been whistling

  • present perfect progressive
    of whistle.
    whistle
    verb (used without object)
    to make a clear musical sound, a series of such sounds, or a high-pitched, warbling sound by the forcible expulsion of the breath through a small opening formed by contracting the lips, or through the teeth, with the aid of the tongue.

Example Sentences

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See Examples For:

“Investors have been whistling by the inflation graveyard and ignoring signals from the Treasury curve, as we’ve broken above 4.5% and on a trajectory to go even higher,” he added.

From MarketWatch May 18, 2026

“It could have been whistling when the police are coming or riding a bicycle in a particular area,” said McDowell, who helped Pasadena get an injunction against a gang in the late 90s.

From The Guardian Nov. 26, 2019

But Barack Obama might just as well have been whistling in the Kansas wind.

From BBC Oct. 20, 2012

The bureau may have been whistling in the dark.

From Time Magazine Archive

The boys have been whistling impatience for half an hour and I don't want to scare Larry out of going.

From Wild Wings A Romance of Youth by Margaret Rebecca Piper