Definition of "bolster up" []

• Support and strengthen (verb)

WordNet. Princeton University. 2010.

• "Here she seems to have passed her time in encouraging the Druzes to rise against Ibrahim Pasha, intriguing against the British consuls, and attempting to bolster up the declining authority of the Sultan."
• "I find no evidence offered by Dr. Coriat to bolster up the conclusions of his paper."
• "Under the pretext of distributing the remainder of its revenue in equitable proportions among the different ecclesiastical benefices, but in reality to bolster up the Fondo per il Culto, upon which were imposed expenses beyond its resources, all the ecclesiastical bodies that were retained are obliged to make yearly increasing contributions, called "quota of assistance"."