"Civil" means polite. "Rude" means impolite, so it is an antonym, not a synonym, of "civil." None of the other answers are close in meaning to "civil": "troublesome" means bothersome or worrisome, "distasteful" means offensive, and "disloyal" means not loyal; one can infer this from the combination of the prefix "dis-", which means not, with the word "loyal."

Someone who is "garrulous" is very talkative or loquacious. For clarification, the other four answer choices are all loose synonyms of one another and antonyms of "garrulous" and "loquacious."

"Meticulous" means paying great attention to detail or careful. None of the other answers are close in meaning to "meticulous": "jolly" means happy or good-natured; "hopeful" means optimistic; "gregarious" means sociable; and "careless" means inattentive.

"Meek" means submissive or obedient, so "submissive" is the correct answer. "Disobedient" is an antonym of "meek"; it means not submissive or obedient. "Destructive" means likely to cause significant damage. "Argumentative" desrcibes a person likely to engage in arguments or fights. "Difficult" means hard to accomplish or not easy.

If someone is "adept" at something, they are talented and skillful at that activity. So, "skillful" is the correct answer. For clarification, "zealous" means passionate, "miserly" means not generous, and "capricious" means impulsive.

"Adamant" means obstinate or stubborn, so "stubborn" is the correct answer. For clarification, "haughty" means proud and arrogant, "eloquent" means talented and charismatic in speaking when referring to a person, or expressed clearly and stylishly when referring to an idea that is conveyed. Also, "protective" means defensive, and "demanding" means challenging.

"Hospitable" means welcoming or friendly to guests, so "welcoming" is the correct answer. "Unfriendly" is an antonym of "hospitable"; it means not nice or antagonizing others. "Permanent" means lasting forever or unchanged indefinitely. "Stalwart" means devoted and hardworking. "Apathetic" means indifferent or lacking in care.

"Hilarious" means extremely funny or humorous, so "funny" is the correct answer. "Annoyed" means irritated or bothered. "Crafty" means clever or cunning. "Adept" means skillful at a particular activity. "Swift" means very agile and quick.

"Prudent" means sensible or careful, so "sensible" is the correct answer. For clarification, "deleterious" means harmful, "fundamental" means basic or important, "insignificant" means not important, and "efficient" means organized and productive.

"Staid" means grave and serious, so "serious" is the correct answer. For clarification, "incumbent" means in office or currently serving, "inferior" means of worse quality or not as good, "deranged" means crazy or out of one's mind, and "formless" means amorphous.