Vocabulary and Synonyms

Cathartic means purgative or having a cleansing effect. Option C correctly identifies this meaning. It relates to catharsis - the act of cleansing or purging. The other options refer to sound (A), compulsion (B), or stopping (D).

When lowercase, 'catholic' means universal, comprehensive, or broad-minded in interests. Option C captures this meaning. This is distinct from the capitalized 'Catholic' referring to the religion. The other options are unrelated words.

To caulk or calk means to make watertight by sealing cracks and joints, especially in ships or around windows. Option C correctly describes this waterproofing process. The other options refer to unrelated concepts: sophistication (A), expertise (B), or receivers (D).

Caustic literally means burning or corrosive, like a caustic chemical. Figuratively, it describes sharply critical or biting speech or writing that 'burns.' Option C captures this core meaning. The other options refer to immaturity (A), allegiance (B), or reciprocity (D).

A cavalcade refers to a formal procession of riders on horseback or horse-drawn carriages, often ceremonial in nature. The term comes from the Latin word for horse and evokes images of parades or ceremonial processions. The other options are incorrect: filthy means dirty, contiguous means adjoining or next to, and recitation means repeating something aloud from memory.

To cavil means to raise petty or trivial objections, to quibble over unimportant details. It refers to making unnecessary objections about minor points. The other options are incorrect: acidic means having a sharp taste, appendage means something attached to something else, and recline means to lie down.

To cede means to give up, surrender, or transfer territory, rights, or title - especially after losing a war or through negotiation. It's commonly used in political and diplomatic contexts. The other options are incorrect: monarch means a ruler, exhortation means solemn urging, and ascetic refers to a hermit or someone practicing self-denial.

In ancient Rome, a censor was a magistrate responsible for supervising public morals and conducting the census - counting citizens and assessing their property. This historical office gives us the modern concept of censorship. The other options are incorrect: slender means not thick, adept means skillful, and succor means help in trouble.

Censorious describes someone who is severely critical, judgmental, or harsh in their criticism of others. It refers to a tendency to find fault and express strong disapproval. The other options are incorrect: Spartan means without attention to comfort, adulation means flattery, and faithless means disloyal.

Censure means to formally express strong disapproval or condemnation - it's a formal statement of blame. It's often used in official contexts like legislative bodies. The other options are incorrect: spasmodic means fitful, adulterate means to make impure, and countercharges are retaliatory accusations.

Celestial means relating to the sky, heavens, or objects in space like stars and planets. It's commonly used in astronomy to describe heavenly bodies. The other options are incorrect: sow means to plant seeds, admonish means to warn with gentle disapproval, and abstruse means difficult to understand.

Celibate means abstaining from sexual intercourse, often by choice or for religious reasons. It can refer to the state of being unmarried or the practice of sexual abstinence. The other options are incorrect: sequin is an ornament, revere means to love and respect highly, and reconnaissance is a military survey.

Centigrade is a temperature scale where water freezes at 0 degrees and boils at 100 degrees at standard atmospheric pressure. It is essentially equivalent to the Celsius scale, which is the modern term for the same temperature measurement system. The term is not related to floods, accidents, or moral concepts.

Centripetal means tending toward the center. In physics, centripetal force is the force required to keep an object moving in a circular path - it always points toward the center of rotation. The term comes from Latin 'centrum' (center) and 'petere' (to seek). This inward force is necessary to counteract an object's tendency to continue in a straight line due to inertia.

Cerebral pertains to the brain or intellect. The term comes from the Latin 'cerebrum' meaning brain. It can describe both physical brain structures (cerebral cortex, cerebral hemisphere) and mental activities (cerebral pursuits, cerebral conversation). A cerebral person is intellectual and thoughtful rather than emotional. It is not related to marks, support, or formidability.