"Irascible" means cantankerous or crabby. "Tenacious" means strong-willed or determined. "Wary" means careful or cautious . "Opaque" means clouded, muddy, or hard to understand. "Mirthful" means merry or playful.

Vulnerable means susceptible to physical or emotional harm.

Something that is "revolting" is disgusting. Now, this could also be the present participle of the verb "revolt," meaning to rebel, butnone of the options presented match that meaning. Therefore, we are looking for something that is akin to "disgusting." While something that is "rotting" is likely to be disgusting, this is not the same being revolting, as "rotting" refers to a specific process of organic decay, not the feeling produced by that process.The only option that provides a direct synonym is "nauseating," which describes something that is sickening (in the way that something revolting is sickening).

Several of the proposed answers attempt to get you to confuse "furtive" with "fervent." The latter word means passionate and fierce. The word _"_furtive" actually comes from the Latin word for "thief". A thief acts under the cover of darkness and behaves secretively. Thus, when something is "furtive" it is secret or hidden. Therefore, the best option among those provided is "hidden."

"Alluring" is an adjective that means beautiful or attractive. The best choice is "cute," since it means attractive. Considering the other choices, "concerning" means causing worry, "unstable" means constantly changing states of being, "responsible" means able to be relied upon to complete tasks, and "deliberate" means done on purpose or working carefully.

"Intractable" means difficult or burdensome; therefore, "unmanageable" is the best answer.

Someone who is "affable" is easy to talk with and pleasant to be around. "Genial" best conveys this sense (a likable pageant contestant might be named "Miss Congeniality"—a related word).

“Lax” means negligent, not giving enough attention to something, or not taking something seriously enough, so "negligent" is the best synonym amongst the answer choices. As for the other answer choices, “odious” means unpleasant, revolting, or disgusting; “prolific” means able to produce a large quantity of something quickly; “tedious” means dull and boring; and “remorseless” means not feeling guilty about one's actions.

"Alluring" is an adjective that means beautiful or attractive. The best choice is "cute," since it means attractive. Considering the other choices, "concerning" means causing worry, "unstable" means constantly changing states of being, "responsible" means able to be relied upon to complete tasks, and "deliberate" means done on purpose or working carefully.

Several of the proposed answers attempt to get you to confuse "furtive" with "fervent." The latter word means passionate and fierce. The word _"_furtive" actually comes from the Latin word for "thief". A thief acts under the cover of darkness and behaves secretively. Thus, when something is "furtive" it is secret or hidden. Therefore, the best option among those provided is "hidden."