1
: a long pillow or cushion
2
: a structural part designed to eliminate friction or provide support or bearing (see bearing sense 5)
Synonyms
Examples of bolster in a Sentence
Verb
She came with me to bolster my confidence.
a convincing argument that was bolstered by the speaker's reputation
She is thinking of ways to bolster her career.
Recent Examples on the Web
Christian Weller, Forbes, 30 Oct. 2024
Turn your head to one side and place your cheek on the bolster.
—Cory Martin, Verywell Health, 16 Oct. 2024
Mary Jo Pitzl, The Arizona Republic, 5 Nov. 2024
Microsoft has made substantial investments in AI, including its deep partnership with OpenAI, which is likely to bolster its Azure cloud services.
—Trefis Team, Forbes, 5 Nov. 2024
See all Example Sentences for bolster 
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Noun
And, government spending bolsters longer term growth through infrastructure investments.
—Christian Weller, Forbes, 30 Oct. 2024
Turn your head to one side and place your cheek on the bolster.
—Cory Martin, Verywell Health, 16 Oct. 2024
Verb
Democrat John McLean is working to not only stop Leach, but to bolster Democrats' hopes of winning control of the Senate.
—Mary Jo Pitzl, The Arizona Republic, 5 Nov. 2024
Microsoft has made substantial investments in AI, including its deep partnership with OpenAI, which is likely to bolster its Azure cloud services.
—Trefis Team, Forbes, 5 Nov. 2024
See all Example Sentences for bolster
Dictionary Entries Near bolster
Cite this Entry
“Bolster.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bolster. Accessed 22 Nov. 2024.
Copy CitationKids Definition
bolster
1 of 2 noun
bol·ster
ˈbōl-stər 
1
: a long pillow or cushion
2
: a structural part designed to eliminate friction or provide support
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