According to the Collins Dictionary , to "bolster up" means to something.
The phrase is applied across various fields to describe the act of adding necessary substance or support: bolster up
: Unlike "cheer up," which implies a positive emotional boost, "bolster up" suggests providing necessary stability to a position or state that is currently weak or deteriorated. 3. Practical and Abstract Applications According to the Collins Dictionary , to "bolster
: By the late 16th century, the term expanded beyond physical padding to describe the reinforcement of abstract concepts like morale or arguments. 2. Linguistic Definition According to the Collins Dictionary