bolster
noun
a long, often cylindrical, cushion or pillow for a bed, sofa, etc.
has been bolstering
-
present perfect progressiveof bolster (3rd person singular).present perfect progressive
Used to describe an action that began in the past, has continued continuously, and is still in progress.
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.
The U.S. has been bolstering its defenses in the region, sending in more equipment and interceptors, U.S. officials said.
From The Wall Street Journal ● Mar. 7, 2026
Though podcasts have traditionally been audio-only, video podcasts have been growing in popularity in recent years - and Netflix has been bolstering its portfolio to compete with YouTube.
From BBC ● Dec. 6, 2025
At the same time, its leader, Xi Jinping, has been bolstering national security and expanding China’s military footprint around Taiwan and the South China Sea in ways that have alarmed its neighbors.
From New York Times ● Apr. 25, 2024
Robinhood has been bolstering its crypto business, rolling out crypto wallets for its customers and adding new coins to trade on its platform.
From Seattle Times ● May 12, 2022
Unconsciously he has been bolstering up the eventual Renaissance.
From Ghetto Comedies by Israel Zangwill
