- past perfect progressive of stack.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
It warned of a "Christmas meltdown" in parcel and letter deliveries, and said millions of items of mail had been stacking up before the strikes.
From BBC • Dec. 8, 2022
An old woman who had been stacking the bread stood back when she saw them, her eyes fearful.
From "Surviving Hitler: A Boy in the Nazi Death Camps" by Andrea Warren
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She had been stacking pillows and blankets as they cleared the gym floor for the blood drive, right around the time Ivy had been looking for her notebook.
From "Ivy Aberdeen’s Letter to the World" by Ashley Herring Blake
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They were stuck behind an interminable line of other taxis, limousines, cars and mini- busses that had been stacking for ten minutes.
From Terminal Compromise: computer terrorism: when privacy and freedom are the victims: a novel by Schwartau, Winn
I kissed Donna's upraised finger and, turning to leave again, noticed that she had been stacking more than just blocks.
From Four and Twenty Beds by Vogel, Nancy