Vocabulary and Synonyms

Quaver means to tremble or shake, typically in a high-pitched voice or musical context, making 'tremble' the correct answer. Dull, clever, and hard don't relate to the physical shaking or vibrating motion that quaver describes.

Quizzical means expressing doubt or confusion, often with a look of puzzlement, so 'perplexed' is the correct answer. Confirm, tough, and smiling don't capture the sense of puzzled questioning that quizzical conveys.

Quirk refers to a peculiar or unusual characteristic or behavior, making 'peculiarity' the correct answer. Lazy, sincere, and well-defined don't capture the unique, idiosyncratic nature that quirk describes.

Bona fide is Latin for 'in good faith' or genuine, making 'genuine' the correct answer. Pretended and artificial are opposites of bona fide, while 'for profit' doesn't relate to authenticity.

Recondite means difficult to understand, obscure, or known by only a few, making 'esoteric' the correct answer. Reputed, wise, and easy don't capture the specialized, hidden knowledge that recondite describes.

Rancor means bitterness, resentment, or animosity toward someone, making 'animosity' the correct answer. Winner, victim, and runners up don't relate to the feeling of deep-seated ill will that rancor describes.

Rampant means something growing or spreading uncontrollably, often used to describe diseases, rumors, or problems that flourish without restraint. Option A 'uncontrolled' correctly captures this meaning of unchecked growth.

Repudiate means to refuse to accept, recognize, or be associated with something, and to deny the validity or authority of. Option C 'deny' is the correct answer as it captures the essence of rejection and refusal.

Esoteric means intended for or likely to be understood by only a small number of people with specialized knowledge. Option D 'arcane' is the correct answer as it means understood by few, mysterious, or requiring secret knowledge.

Ingrate is a noun meaning an ungrateful person - someone who does not show thanks or return kindness. Option A 'Ungrateful' is the correct answer as it directly identifies the defining characteristic of an ingrate.

Nefarious means wicked, criminal, or villainous in nature - describing evil intentions or actions. Option C 'wicked' is the correct answer as it directly corresponds to this meaning of evil or morally wrong.

Rescind means to revoke, cancel, repeal, or declare void. 'Annul' is the closest synonym meaning to declare invalid. 'Provoke' means to incite, 'renounce' means to give up a claim, and 'weaken' means to make less strong - none of these match the meaning of canceling something.

Sinuous means curving, winding, or wavy in shape or movement. 'Serpentine' literally means snake-like, which captures the winding, curved nature perfectly. 'Horrifying', 'ardent', and 'dear' don't relate to physical shape or movement.

Travesty means a false, absurd, or distorted representation of something. It describes something that claims to be like the original but is a poor or ridiculous imitation. 'Parody' best captures this idea of mocking imitation. 'Dearth' means scarcity, 'need' is a requirement, and 'honesty' is truthfulness.

Gravitas means dignity, seriousness, or solemnity of manner or character. 'High seriousness' is the correct definition. 'Gravity' refers to physics or serious manner, 'Hilarious' is the opposite, and 'Abundant' means plentiful.