Antonyms

kilter means good condition; proper order: now chiefly in out of kilter. Disarray is an untidy condition; disorder; confusion. Hence, (A) is the answer.

Pulchritude is physical beauty; characterizes attractiveness. Odiousness is the quality of being offensive. Hence, (D) is the answer.

Vegan is a vegetarian who eats no animal products anthropophagite is a person who eats human flesh; cannibal. Hence, (C) is the answer.

Disseminated means to scatter far and wide; spread abroad, as if sowing; promulgate widely. Garner means to gather up and store in or as in a granary; to collect or gather. Hence, (A) is the answer.

Narcissism means self-love; excessive interest in one's own appearance, comfort, importance, abilities altruism means unselfish concern for the welfare of others; selflessness.
Hence, (B) is the answer.

“Commiserate” is to feel or show sorrow or pity for; sympathy. “Derisive” is insulting, mocking, contemptuous, therefore the antonym for sympathy. Hence, (A) is the answer.

Fidgety means nervous; uneasy. Tranquil means free from disturbance or agitation; calm, serene, peaceful, placid, etc. Hence, (D) is the answer.

Fulgid means Shining; glittering; dazzling; having brief brilliant points or flashes of light; expression for light Caliginous means dark; obscure. Hence, (D) is the answer.

“Lackadaisical” is lacking spirit or liveliness; showing lack of interest; languid; listless. “Intent” is firmly directed or fixed; earnest; intense; thus the antonym for lackadaisical. Hence, (B) is the answer.

“Indefatigable” means incapable of being fatigued; not readily exhausted. “Lymphatic” means sluggish;
without energy; a sluggish condition was formerly thought to be due to too much lymph in the body;
hence option (A) is the answer.

“Chicanery” is the use of clever but tricky talk or action to deceive, evade etc; deception. Therefore, its
antonym would be “rectitude”, which means conduct according to moral principles; strict honesty; uprightness of character. Hence (D) is the answer.

Etiolate means to cause to be pale and unhealthy; blanch. Flush means to become red in the face, as            with embarrassment or anger; blush or to glow.  Hence, (C) is the answer.

Vicissitude means a condition of constant change or alternation, as a natural process; mutability. Immutability is a condition not subject or susceptible to change, characterizes      permanence. Hence, (C) is the answer

Vapid means flat, insipid, tasteless; boring. It's antonym will be Piquant as it stimulates the interest (enticing) as well as the taste (tangy, spicy). Hence, (B) is the answer.

Purloin means to steal; filch reimburse means to repay or compensate (a person) for expenses, damages, losses, etc. Hence, (D) is the answer.

Labefaction means the act of labefying or making weak; the state of being weakened; decay; ruin. Sinew is any source of power or strength; means of supplying strength. Hence, (C) is the answer.

“Voluptuary” is a person elevated to luxury and the gratification of sensual appetites; sensualist.
“Ascetic” is a person who leader a life of contemplation and rigorous self-denial for religious purpose; therefore the antonym for voluptuary. Hence, (D) is the answer.

Aspersion refers to the act of defaming; a damaging or disparaging remark; slander; innuendo whereas elogium means the praise bestowed on a person or thing; panegyric; eulogy.
Hence, (D) is the answer.

Inerrable means not erring; infallible. Fallible means liable to be erroneous or inaccurate. Hence, (D) is the answer

“Chimera” is a fanciful mental illusion or fabrication. “Palpability” means that can be touched, felt or handled; tangible; therefore the antonym of chimera. Hence, (E) is the answer.

“Tetchy” means touchy; irritable; peevish. It's answer is (C) -“Cordial” ;meaning genial, warm, gracious.

“Salubrious” is favourable to health; promoting health; healthful. “Deleterious” is harmful to health or well-being; injurious; hence (B) is the answer.

Mansuetude is Gentleness of manner; mildness. Barbarity is cruel or brutal behavior; inhumanity. Hence, (C) is the answer.

Apropos means at the right time; opportunely; relevant or pertinent. Incongruous means mismatched / incompatible.
Hence, (5) is the answer.

“Callow” means immature, lacking adult perception, experience, or judgement. It’s antonym would be suave, which means smoothly gracious or polite; polished; blandly ingratiating; urbane. Hence, (C) is the answer.