How do you spell Bolster?
Correct spelling
bolster
Remember the pillow connection: BOLster ends like holster, not -ar or -ir
Why is bolster spelled this way?
From Old English bolster, a long pillow. To bolster is to cushion and support — strengthening from underneath, like a pillow propping you up.
Common misspellings of bolster
bolstarboulsterbolstir
Example
The new data helped bolster her argument for increased funding.