Synonyms

Spiritual relates to the human spirit or soul as opposed to material or physical things. Incorporeal means having no material body or form - immaterial, which captures the non-physical aspect of spiritual. Carnal, Mundane, and Material are antonyms referring to physical, worldly, or bodily things.

Ruthless means having no compassion or pity - cruel and merciless. Inhuman captures this sense of lacking human feeling or kindness. Civilized, Urbane, and Well-bred are antonyms meaning refined, polite, or culturally sophisticated.

Perpetuate means 'to make perpetual; cause to continue or be remembered; preserve from oblivion'. Option 5 i.e., 'continue' is the right choice.

Revulsion means 'a sudden, complete, and violent change of feeling; abrupt, strong reaction in sentiment'. Disgust means 'to cause to feel disgust; be sickening, repulsive, or very distasteful to'.

Subdued means 'to bring into subjection; conquer; vanquish; or to overcome, as by persuasion or training; control'. Word 'restrained' refers 'to restrain from excess; subdued'.

Bewilder means to confuse, perplex, or muddy someone's thinking, often in overwhelming ways. Fluster (B) captures this sense of agitation and mental confusion perfectly. Dingy (A) means dirty or drab (appearance), Fulcrum (C) is the pivot point in a lever system (physics), and Bard (D) is a poet or singer - none relate to confusion.

Sully means to tarnish, defile, or damage something's purity or reputation - literally to make it dirty or figuratively to stain character. Besmirch (B) is a direct synonym meaning to soil, tarnish, or disgrace. Foppish (A) means fashionable in a pretentious way, Dulcet (C) means sweet or pleasant (sound/taste), and Dissipate (D) means to scatter or disperse - none relate to staining or damaging reputation.

Trenchant means sharply incisive, penetrating, or vigorous in expression - cutting through complexity with clarity. Caustic (D) best captures this sharp, biting quality (though caustic specifically means corrosively sarcastic). Valiant (A) means brave/courageous, Boil (C) is a cooking process, and Cull (B) means to select or remove from a group - none convey trenchant's cutting sharpness.

Dexterous means skillful, especially with the hands - showing or requiring skill and agility. Deft (A) is a direct synonym meaning skillful, quick, and clever in movement. Gauche (B) means awkward or clumsy (the opposite), Clout (C) means influence or power, and Bohemian (D) means socially unconventional (artistic lifestyle) - none match dexterous.

Deference means polite submission, respect, or courteous yielding to the judgment/opinion of another. Compliance (C) captures this sense of yielding or acquiescing appropriately. Flimsy (A) means weak/insubstantial, Dearth (B) means scarcity/lack, and Envision (D) means to imagine or visualize - none relate to respectful yielding.

Babble means to speak incoherently or make baby-like sounds. The other options are unrelated: baby is a noun, baboon is a monkey, bachelor is an unmarried man, babel refers to confusion.

Babel (from the biblical Tower of Babel) refers specifically to a scene of noise and confusion. The other options don't match: baby, baboon, bachelor, babble are unrelated to confusion.

A baboon is a specific species of Old World monkey with a distinctive short tail. The other options don't match: baby (child), bachelor (unmarried man), babble (speech), babel (confusion).

A baby is a young child, specifically an infant. The distractors are unrelated: baboon (monkey), bachelor (unmarried man), babble (speak incoherently), babel (confusion).

The back refers specifically to the hinder (rear) part of the body. The other options are unrelated: baby, baboon, bachelor, babble don't refer to body parts.