Antonyms

Privately means in a private or secret manner, while openly means in a public or transparent way. These are antonyms describing how something is done - hidden versus visible.

 Drudge is one who toils at any difficult task. The opposite is lazy.

Don is to put on ....as a garment/cap etc. So, opposite is to remove.

Disingenuousness means cunning. Its opposite is guilelessness.

Discrete means discontinuous. Its opposite is continuous.

To disinter means to dig up. Its opposite is to bury.

Disjointed means disconnected. Its opposite among the choices is rigid.

To dismantle means to take apart, to pull down. Its opposite is to assemble.

Give up is the correct antonym of carry on. Carry on means to continue or persist in an action, while give up means to stop or abandon an action entirely.

Aptitude means ability, skill, or talent, making it the opposite of incapacity, which refers to lack of ability or skill. The relationship is one of direct semantic opposition.

Abnormal means deviating from the standard or norm, making it the opposite of natural, which refers to something innate, normal, or conforming to the expected pattern.

 Someone who is an apprenticed is typically unqualified. He or she is learning the field or skill and therefore unqualified until completing their course. Hence, apprencticed is correct.

Approximately means close to but not exactly, making it the direct opposite of exactly, which means precise or accurate. Generally is also somewhat opposite but approximately is the more precise antonym.

To establish means to set up, create, or bring into existence. To abolish means to do away with, put an end to, or officially revoke. These are direct opposites - establishing creates something permanent while abolishing destroys it.

An apprentice is a learner or novice who is training in a trade or skill. Skillful means having skill, expertise, or proficiency. These are opposites - an apprentice lacks the skill that a skillful person possesses.