Antonyms

Appease means to pacify or placate someone by acceding to their demands. Agitate is the opposite, meaning to stir up or disturb.

Amicable means having a spirit of friendliness. Unfriendly is the direct antonym.

Apprehend can mean to arrest someone for a crime. Set free is the opposite of arresting or capturing.

Anathematize means to curse or condemn. Bless is the direct antonym.

Ambiguous means open to more than one interpretation or having a double meaning. Apparent means clearly visible or understood, making it the best antonym among the choices.

An anomaly is something that deviates from what is standard, normal, or expected. Regularity refers to the state of being consistent or following a pattern, which is the opposite.

Amplify means to increase the volume, size, or intensity of something. Decrease is the direct opposite, meaning to make smaller or less intense.

Carnivorous describes an animal that feeds on other animals. Vegetarian describes an organism that feeds on plants, serving as the logical antonym in this context.

Chimerical refers to something that is hoped for but is illusory or impossible to achieve. Realistic describes something that is practical and based on what is actually possible.

Carousal refers to a noisy or drunken feast or social gathering. Sobriety is the state of being sober and free from the influence of alcohol, which is the direct opposite.

Chaffing refers to teasing or joking in a lighthearted way. Serious describes a demeanor that is solemn or lacking in humor, acting as the antonym.

In this context, catholic means including a wide variety of things or all-embracing. Narrow means limited in range or scope, making it the correct antonym.

Churlish means rude, mean-spirited, or surly. Polite describes someone who is respectful and well-mannered, which is the opposite.

Centrifugal force acts away from the center of rotation. Centripetal force acts toward the center of rotation, making it the standard scientific antonym.

Carping means complaining or finding fault in a petty way. Acquiescent means ready to accept something without protest or to comply, which is the opposite.

Dank means disagreeably damp, cold, and clammy. Dry is the direct opposite.

A dastard is a dishonorable or despicable person, often a coward. A hero is a person admired for courage or outstanding achievements, serving as the antonym.

Dauntless means showing fearlessness and determination. Weak implies a lack of strength or courage, serving as the antonym.

A declivity is a downward slope. An upward slope is the direct spatial opposite.

Debilitate means to make someone or something weak and infirm. Strengthen means to make stronger, which is the direct opposite.

Decrepit = weakened by old age.
Its antonym should be Youthful.

Defection is the desertion of one's country or cause in favor of an opposing one. Joining represents the act of becoming part of a group or cause, which is the antonym.

Carte blanche refers to complete freedom to act as one wishes. Restriction refers to a limitation or control on freedom, acting as the antonym.

Anonymous means having no known name or identity. Signed indicates that the author or creator is identified, which is the opposite.

Choleric means bad-tempered or irritable. Coolheaded means staying calm and composed in difficult situations, which is the antonym.