Which term defines the state of being hard to satisfy?

The term that defines the state of being hard to satisfy is "finicky." This word specifically refers to someone who is very particular about their preferences or has excessively high standards, making it difficult for them to be easily pleased. A finicky person often scrutinizes details and may reject options that don’t meet their exacting criteria, which illustrates the concept of being hard to satisfy effectively.

In contrast, the other terms do not capture this specific quality of difficulty in satisfaction. "Finesse" generally refers to the intricate skill or cleverness in handling situations, while "figurehead" pertains to a person who holds a nominal position of authority but has minimal power or influence. "Fetish" indicates an intense and irrational devotion or obsession, often relating to specific objects or practices, rather than the broader concept of being hard to please.