Synonyms

Debilitate means to weaken, impair, or make someone or something less effective or powerful. It refers to reducing strength, energy, or vitality. 'To corrupt' and 'To pollute' are different concepts - 'To weaken' is the correct synonym.

Default, in this context, means failure to fulfill an obligation, especially failure to repay a loan or appear in a legal court. It can also refer to failure to compete in a scheduled event. 'Kill', 'Decode', and 'Damp' are unrelated meanings - 'Failure to do' is the correct definition.

Defection means the act of abandoning a position, loyalty, or cause, often to join an opposing side. Desertion similarly means abandoning something, particularly a post or duty, making it the closest match among the options. Scarcity refers to shortage, Final means last, and Neat means tidy - none of these relate to abandonment.

Delude means to mislead, deceive, or make someone believe something that is not true. Deceive is the closest synonym among the options. Portray means to depict or represent, Turn means to rotate or change direction, and None of these is incorrect.

Deft means skillful, clever, or showing quick skill and dexterity, especially with one's hands. Skillful is the direct synonym and correct answer. Neat means tidy, Wish means desire, and None of these is incorrect.

Demean means to lower in dignity, humble, or degrade someone. Degrade is the closest synonym, meaning to reduce someone's worth or treat them with disrespect. Dig means to excavate, Lure means to entice, and None of these is incorrect.

Demoniac means resembling a demon, fiendish, or wickedly cruel. Fiendish is the correct synonym, meaning cruel or wicked like a demon. Wish and Neat are unrelated terms, and None of these is incorrect.

Derision means contemptuous ridicule, mockery, or scornful treatment. Ridicule is the closest synonym, meaning to mock or make fun of someone contemptuously. Scoff at is related but less comprehensive, Insane means mentally ill, and None of these is incorrect.

Descant primarily means a melodious song or tune, but figuratively can mean a discussion or discourse on a particular topic. Discussion is the closest match among the given options. Crow and Catch are unrelated terms, and None of these is incorrect.

Dialectic refers to the art of investigating or discussing the truth of opinions through logical argument and debate. Art of debate correctly captures this meaning of dialectical reasoning and argumentation. Crow and Sheer are unrelated terms, and None of these is incorrect.

Deplete means to reduce the quantity or number of something, or to exhaust resources. Fleece can mean to strip someone of money or resources, making it the closest match in this context. Portray means to depict, Grave can mean serious or a tomb, and None of these is incorrect.

Devout means deeply religious, pious, or showing sincere religious devotion. Pious is the direct synonym and correct answer. Lacking and Turn are unrelated terms, and None of these is incorrect.

Destitute means extremely poor, lacking basic necessities, or completely impoverished. Extremely poor is the correct synonym and accurately captures the meaning. Tyranny means cruel rule, Scorn means contempt, and None of these is incorrect.

Diffidence means shyness, modesty, or lack of self-confidence in social situations. Shyness is the direct synonym and correct answer. Dry means not wet, Calm means peaceful, and None of these is incorrect.

Dilate means to expand, widen, or spread out. The word comes from Latin and is commonly used in medical contexts (dilated pupils) and general contexts (dilating on a topic). Option A 'Ruined' and B 'Sheer' are unrelated to the meaning.