Sinew: Identifying the Correct Synonym

The question asks us to find the most appropriate synonym for the underlined word "sinew" as used in the phrase "If you can force your heart and nerve and sinew". To answer this, we need to understand the meaning of "sinew" in this specific context and then evaluate the given options.

Sinew Meaning and Usage

The word "sinew" has a specific meaning in English, often used in both a literal and a figurative sense:

• Literally, a sinew is a piece of tough fibrous tissue uniting muscle to bone or bone to bone; a tendon or ligament. These are essential for movement and provide physical strength and resilience to the body.
• Figuratively, "sinew" can refer to the underlying strength, power, or essential part of something. When someone refers to "heart and nerve and sinew," they are talking about the complete physical and mental fortitude, the very core of one's being that enables endurance and strength.

In the given phrase, "sinew" represents the physical strength, resilience, and the very fabric of one's body that allows for exertion and perseverance, alongside "heart" (courage/emotion) and "nerve" (courage/resolve).

Option Analysis: Sinew Synonyms

Let's carefully examine each of the provided options to determine which one best serves as a synonym for "sinew" in the given context:

• muscle: A muscle is a band or bundle of fibrous tissue in a human or animal body that has the ability to contract, producing movement or maintaining the position of parts of the body. Sinews (tendons) connect muscles to bones. In common usage and especially in a metaphorical sense for strength and physical substance, "muscle" is very closely related to "sinew." Both refer to components that contribute to physical power.
• blood: Blood is a fluid that circulates in the arteries and veins, carrying oxygen and nutrients to the body tissues and transporting waste products from the same tissues. While vital for life, "blood" does not refer to the structural components of physical strength in the same way "sinew" does.
• strength: Strength is the quality or state of being physically strong. While sinew contributes to strength, "strength" itself is an abstract quality or attribute, not a physical anatomical part like "sinew." Sinew is a component that *provides* strength.
• weakness: Weakness is the state or condition of lacking strength or vigor. This is an antonym (opposite) of what "sinew" implies, which is robustness and resilience.

Choosing the Best Sinew Synonym

Considering the literal and figurative meanings of "sinew," and analyzing the options, "muscle" emerges as the closest and most appropriate synonym. Although "sinew" technically refers to a tendon (connecting muscle to bone), in the poetic and forceful context of "heart and nerve and sinew," it represents the physical capability and raw power derived from the body's structural components. "Muscle" directly refers to the primary movers of the body and is often used interchangeably or in close association with the idea of physical power and physical form, making it the best fit among the choices.

Therefore, when you "force your heart and nerve and sinew," you are pushing your emotional resolve, mental courage, and physical capabilities to their utmost limits, which are intrinsically linked to your muscles.