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
: While "bolster" can stand alone, adding "up" often emphasizes the act of propping something that might otherwise collapse or fail. 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