1. to support or strengthen

1. a long pillow or cushion
2. a structural support or prop

Examples

• The new evidence will bolster our case in court.
• She used statistics to bolster her argument.
• The company hired more staff to bolster its customer service.
• He placed a bolster behind his back for comfort.
• The wooden bolster supported the heavy beam.
• Additional funding helped bolster the research program.
• The soft bolster made the chair more comfortable.