What is another word for stiff as a board?
Pronunciation: [stˈɪf az ɐ bˈɔːd] (IPA) 
The phrase "stiff as a board" refers to someone or something that is very rigid or inflexible. There are a number of synonyms that can be used to describe this level of stiffness, including "starchy," "crisp," "rigid," "hard," "solid," and "brittle." Other synonyms include "unyielding," "inflexible," and "unbending," all of which suggest a lack of flexibility or adaptability. Additionally, the phrase "stiff as a poker" is often used to describe someone who is very stiff or formal in their demeanor, while the phrase "stiff upper lip" describes someone who remains stoic and unemotional when facing difficulty or adversity.
