bolster - definition and synonyms

verb [transitive] 

Your browser doesn’t support HTML5 audio

/ˈbəʊlstə(r)/
present tense
I/you/we/theybolster
he/she/itbolsters
present participlebolstering
past tensebolstered
past participlebolstered

or bolster up 

Your browser doesn’t support HTML5 audio

  1. to make something stronger or more effective

    The campaign is designed to bolster the government’s image as being tough on crime.

    His score will bolster his confidence for the next match.