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had been sneaking
  • past perfect progressive of sneak.

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 attracts the fantastical too: during the pandemic, Lewis said, she discovered a baby squirrel had been sneaking in and hiding acorns under her pillow.

From New York Times • Jun. 5, 2023

For months, Lisa had been sneaking into Ralphie’s room in the middle of the night to turn the lights off.

From Seattle Times • Aug. 9, 2021

About two weeks later, the girl told her mom’s friend she had been sneaking out, according to the charges.

From Washington Times • Nov. 25, 2020

The teen, his mother would later learn, had been sneaking online despite the court order.

From Washington Post • Mar. 26, 2018

He forgot that she didn’t know that he had been sneaking out at night to help Pond.

From "Healer of the Water Monster" by Brian Young