Someone who is "intrepid" is very enterprising and adventurous. For clarification, "timid" means shy and reserved; "ingrained" is something embedded or inbuilt; "susceptible" means vulnerable.

"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."

"Frugal" means to be careful with money, to be practical. As such it is closest in meaning to "thrifty," which means economical with money. For clarification, the other four answer choices are loosely synonyms of one another and careless is a good antonym of frugal.

"Jealous" and "envious" are synonyms; they both refer to the feeling of being upset by the success of someone else. "Critical" means important or serious, and "wary" means cautious or careful. "Clean" and "dirty" are antonyms, as are "agitated" and "calm."

To feel "exasperated" means to feel very frustrated. For clarification, "magnificent" means glorious and wonderful; "munificent" means generous; "gregarious" means outgoing and sociable.

To be "livid" is to be furious or enraged. "Quiet" and "noisy" are antonyms, as are "adventurous" and "cautious." "Rapid" means quick or fast.

"Plentiful" and "abundant" both mean existing in large quantities. "Repentant" means feeling regret, remorse, and sorrow. "Overly" and "insufficiently" are antonyms, as are "painfully" and "pleasurably." "Punishingly" means in a punishing or taxing manner.

If something is "urgent," it demands immediate or pressing attention. "Frightening" means scary, "dangerous" means risky, and "tender" means gentle. "Vocational" means relating to a job or occupation.

"Grievously" means seriously, as in, "he was grievously wounded by the wild boar." "Ruddy" means red, "outrageous" means shockingly bad, and "startling" means surprising. "Uncommonly" and "unusually" are synonyms, but "uncommonly" can also mean remarkably.

"Furtive" means sly, shift, or secretive. Something "reassuring" is designed to remove doubts and fears. "Hardly" is a synonym for barely, and "keenly" is a synonym for sharply, acutely, or piercingly. "Seriously" means solemnly or gravely.