First Known Use: before 12th century
Dictionary
1bolster
noun bol·ster \ˈbōl-stər\
: a long bag of cloth completely filled with soft material : a long pillow or cushion
Full Definition of BOLSTER
1
: a long pillow or cushion
2
: a structural part designed to eliminate friction or provide support or bearing
See bolster defined for English-language learners
See bolster defined for kids
ADVERTISEMENT
Origin of BOLSTER
Middle English, from Old English; akin to Old English belg bag — more at belly
2bolster
verb
: to make (something) stronger or better : to give support to (something)
bol·steredbol·ster·ing \-st(ə-)riŋ\
Full Definition of BOLSTER
transitive verb
1
: to support with or as if with a bolster : reinforce
2
: to give a boost to <news that bolstered his spirits>
— bol·ster·er \-stər-ər\ noun
See bolster defined for English-language learners
First Known Use of BOLSTER
15th century
BOLSTERER Defined for Kids
1bolster
noun bol·ster \ˈbōl-stər\
Definition of BOLSTER for Kids
: a long pillow or cushion sometimes used to support bed pillows
2bolster
verb
bol·steredbol·ster·ing
Definition of BOLSTER for Kids
: to support with or as if with a bolster <We tried to bolster their courage.>
Learn More About BOLSTER
Browse
Next Word in the Dictionary: bolster platePrevious Word in the Dictionary: bolsonAll Words Near: bolster
ADVERTISEMENT
Seen & Heard
What made you want to look up bolster? Please tell us where you read or heard it (including the quote, if possible).