"Rotund" means round or plump. None of the other answer choices are close in meaning to "rotund"; "secondary" means of less importance than something else; "framed" means set up to be falsely blamed for a crime one did not commit; "sedulous" means "diligent"; and "courageous" means brave.

"Ethereal" means almost as light as air or delicate, so "delicate" is the correct answer. None of the other answers are close in meaning to "ethereal": "outraged" means very angry; "refrigerated" means chilled; "subordinate" means lower in rank; and "tense" means stressed.

"Lavish" means rich or fancy, so "luxurious," an adjective that means suptuous or grand, is the correct answer. None of the other answer choices are close in meaning to "lavish": "comfortable" means relaxing, agreeable, or cozy; "frigid" means extremely cold; "arid" means extremey dry; and "deafening" means very loud.

"Quaint" means old-fashioned and charming. "Putrid" means decayed or rotten. "Negligent" means not cautious or careless. "Compassionate" means sympathetic or showing emotion and concern for others. "Timid" means shy and easily scared. 

"Winding" refers to a twisted or spiral course or path. "Unique" means rare or one-of-a-kind. "Wordy" means the overuse of words. "Olfactory" refers to a sense of smell. "Juvenile" means young and immature.

"Supple" means "limber" or flexible. "Inflexible" is an antonym of "supple"; it means stiff or not able to be bent. "Vulgar" means tasteless or unrefined. "Innocuous" means harmless. "Savage" means wild or ferocious.

“Macabre” means gruesome, horrifying, or pertaining to death, so "gruesome" is the correct answer. None of the other answers are close in meaning to “macabre”. “Understated” means modest or simple. “Protective” means defensive or shielding. “Panicked” means frightened. “Methodical” means systematic. 

"Scintillating" means emitting small amounts of light. "Sparkling," which also means emitting bits of light, is therefore the correct answer. The other answers do not have similar meanings: "luxurious" means comfortable and expensive; "forbidden" means prohibited; "maximum" means most or highest; and "boring" means dull.

"Frigid" means very cold, so "cold" is the correct answer. The other choices have nothing to do with "cold": "silent" means not making noise, "emotional" means showing emotion, "sparse" means infrequent or few, and "wealthy" means having lots of money.

"Obtrusive" means noticeable, in an unwanted way. The correct answer "conspicuous" also means very noticeable. The other choices do not have similar definitions: "welcome" means invited, "indecisive" means unable to make a decision, "traumatic" means very difficult and unpleasant, and "leftover" means remaining after a meal or an event.