Synonyms

 Scrupulous means very careful, precise and exact. 

Inert means lacking the ability to move or react, chemically or physically. Passive describes someone or something that accepts things happening without active response or resistance. Both words convey lack of action or reactivity, making them synonyms in this context.

Sheer can mean pure, absolute, or unmitigated when used as an adjective. For example, sheer delight means pure delight. Pure means unmixed or absolute. Both words convey completeness without any dilution or qualification in this usage.

Prime means first in importance or main, as in prime minister or prime objective. Capital can mean principal or main, as in capital city or capital offense. In this sense, both words indicate something of primary importance or the main element of a category.

Instigate means to provoke, urge, or cause an action to happen. Spur correctly captures this meaning as it refers to encouraging or stimulating something into action. Moving and Running are physical actions unrelated to provocation, while Lissome means flexible or graceful.

Tempest refers to a violent, windy storm. Bluster means loud, aggressive, or boastful speech or behavior, which captures the turbulent, forceful nature similar to a tempest. Begin and Institute are unrelated to storms or turbulent conditions, while Repay means to return money or favors.

Eccentric means unconventional, strange, or departing from accepted norms. Freak is the closest match as it refers to someone or something that is unusual or abnormal. Natural and Usual are opposites of eccentric, while Exact means precise rather than unconventional.

Exacting means making great demands, requiring great effort, or being very strict and precise. Rigorous perfectly captures this meaning as it refers to being thorough, strict, or demanding. Beat, Depart, and Meet are unrelated to the concept of strictness or high standards.

Thump means to strike or hit something with a heavy blow. Hit is the correct synonym as it directly means to strike something. Gentle is the opposite of a thump's forceful nature, Unreal means imaginary, and None of these is incorrect.

Material as an adjective means physical, tangible, or concrete. Tangible is the perfect synonym as it refers to things that can be touched or perceived physically. Aid, Reward, and Noble are unrelated to the concept of physical substance.

Shallow means not deep, either physically or metaphorically. Skin-deep captures this meaning perfectly as it refers to something superficial or lacking depth. Becoming and Leading are unrelated concepts.

Bestow means to give, grant, or present something as a gift or honor. Bequeath is a synonym meaning to pass on or hand down, often in the context of inheritance or gifts. Grand and Small refer to size, not the act of giving.

Leave can mean to depart, abandon, or give up something. 'To give up' correctly captures this meaning of relinquishing or abandoning something. Normal, Agitate, and Usual are unrelated to the concept of leaving or abandoning.

Doubtful means uncertain, questionable, or full of doubt. Mistrustful is the correct synonym as it refers to being suspicious or lacking trust. Faith and Trust are opposite concepts, while Protract means to prolong.

Wholesome means beneficial, healthy, or promoting moral and physical well-being. Nourishing is the correct synonym as it refers to something that promotes health or growth. Acrid and Sharp have harsh or irritating qualities opposite to wholesome.