Synonyms

 Hoax means a trick to deceive someone.

Incense as a verb means to make someone extremely angry or enraged. Enrage is the perfect synonym. Dirty and holy are unrelated adjectives. 'None of these' is incorrect since enrage is present.

Lucid means very clear and easy to understand. Clear is the perfect synonym. Abhor means to hate, liable means responsible, and latent means hidden - none relate to clarity.

Latent means present but not visible or apparent - hidden or potential. Hidden is the correct synonym. Legend refers to a story, aged means old, and insult means offense - none convey the idea of something concealed but present.

Proper can mean correct, appropriate, or right. Right is the correct synonym. Lucky means fortunate, implicit means implied but not stated, and impure means not clean - none capture the sense of correctness or appropriateness.

Nullify means to make invalid, cancel, or abolish. Abolish is the correct synonym. Thin and narrow refer to size/width. 'None of these' is incorrect since abolish is present.

Obscene means offensive, disgusting, or morally offensive - essentially filthy. Filthy is the correct synonym. Nuptial relates to marriage, recite means to say aloud, and expert means skilled - none convey offensiveness or dirtiness.

Monotonous means lacking variety, repetitive, or unvaried. Unvaried is the correct synonym. Pledge and oath relate to promises, while pious means religiously devoted - none relate to repetition or lack of variety.

Lacking means deficient in some quality or attribute, which is synonymous with being weak. Passion and Effect are unrelated concepts, while None of these is incorrect because option A is a valid synonym.

Mournful means feeling, expressing, or inducing sadness or grief, making it a direct synonym for sad. Carnal relates to physical/sexual desires, Submit means to yield, and None of these is incorrect.

Quean is an archaic English term for a bold or impudent woman, historically used to mean prostitute. Plight means a dangerous or difficult situation, Delight means great pleasure, and Outrage means an overwhelming feeling of anger and shock.

Gratify means to give pleasure or satisfaction to someone. Entertain has a similar meaning of amusing or giving enjoyment to others. Both describe providing satisfaction, though 'entertain' specifically focuses on amusement while 'gratify' is broader (can satisfy needs, desires, etc.). Ebb down (decrease), subvert (undermine), and subjugate (dominate) are unrelated.

Infirmity means weakness, frailty, or ill health. Disease is the closest match among options as infirmity often results from disease or chronic illness. While not a perfect synonym (infirmity is the state, disease is the cause), it's the best available choice. Fail (verb), sail through (succeed easily), fraud (deception), and grant (give/allow) are incorrect.

Meddle means to interfere in something that is not one's concern. Encroach is a close synonym meaning to intrude on someone's territory or rights. Both describe unwelcome interference. Vilify (slander), meander (wander), and pumped up (energetic) are unrelated.