Antonyms

Caustic means sarcastic in a scathing and bitter way, or able to burn. Innocuous means not harmful or offensive, making it the correct antonym.

Palpability refers to something being able to be touched or felt. Intangibility means unable to be touched or grasped, which is the correct antonym.

Discrete means individually separate and distinct. Continuous means forming an unbroken whole, which is the opposite.

Negligent means failing to take proper care. The opposite (antonym) is 'attentive', which means paying close attention.

Partisan means prejudiced in favor of a particular cause. 'Neutral' is the opposite, meaning unbiased.

Celestial refers to the sky or outer space. 'Earthly' is the antonym, referring to things relating to the earth.

Lunatic is mad or insane. ‘Sensible’ is the opposite.

Here, counterfeit is the correct antonym of legitimate as it implies something that is inauthentic. Genuine is original, unreliable implies something that is not trustworthy and disloyal implies unfaithful.

Here, eccentric is the correct antonym for regular as it implies something that is different. Improper implies something not right, orthodox implies traditional and natural implies the usual.

Here, seldom is the correct antonym of habitual as it implies something that occurs very rarely or not very often. Chronic implies something that continues to happen, accustomed implies something familiar through use and constant implies something that continues or remains steady.

Here, attractive is the correct antonym of homely as it implies something that has the power to attract. Ordinary implies something that is normal or common, domestic implies some activity related to home and informal implies something suited for everyday use.

Opaque is correct because it refers to something which is solid, such as a solid colour. With this in mind, opaque is opposite in meaning to the word clear.

 Conscientious is correct because it refers to being careful. With this in mind, it is directly opposite in meaning to careless.

Negligible means so small or unimportant as to be not worth considering, while considerable means notably large or significant. Option B correctly identifies this antonym pair. Option E 'Conserable' is a typo.

Selfish means lacking consideration for others. Considerate means careful not to cause inconvenience or hurt to others, making it the correct antonym.