Naturally a hill that could be used for sledding would have to be slanted, at an angle that is neither parallel nor perpendicular. The correct answer is therefore "oblique" which means slanting, sloping, diagonal. Additionally, "arduous" means hard work, difficult to accomplish, challenging; "circumspect" means thoughtful; "interminable" means never-ending, eternal; "ultimate" means final or best.

In this sentence you are given very little information to try and figure out which adjective makes the most sense. What you are told is that the subject started the engine of the car, so it must have previously been off. A car whose engine is not running would likely be motionless, parked, immobile, or "stationary." Additionally, "derelict" means in poor condition, falling down; "utter" means total, complete; "salient" means relevant, most important; "voluminous" means roomy, vast, spacious, containing a lot of room.

To begin with "extract" means withdraw, get out of. So, based on the context of this sentence you know you are looking for an adjective that means something like fixed in, rooted in, stuck in. So, the correct answer is "embedded." Something that is "embedded" is fixed inside something else, stuck inside something else. Additionally, "dormant" means at rest, not awake; "jovial" means good-natured, humorous; "arcane" means (of knowledge) privileged and ancient; "instantaneous" means happening in an instant, occurring in a moment.

Based on the context of this sentence you are looking for an adjective that means something like depressed, sulky, gloomy. So, the correct answer is "morose." Additionally, "sage" means wise; "unintelligible" means not able to be understood; "intractable" means obstinate, stubborn, not likely to change one's mind; "mutual" means shared.

If the subject knew she was going to get sick it makes sense that it was because she knew she was susceptible, prone, vulnerable to illness. The correct answer is therefore "predisposed," which means previously inclined towards something, prone to something, vulnerable to something. Additionally, "dissolute" means depraved, having loose morals; "circumspect" means thoughtful, able to think around an issue; "distraught" means extremely upset, devastated; "enterprising" means hard-working and innovative, likely to be successful due to work ethic.

If the professor was able to quickly disprove the subject's argument then it makes sense that the argument was wrong in some way or another. The correct answer is therefore "specious," which means (of an argument) somewhat plausible, but actually wrong, deliberately misleading. Additionally, "vigilant" means watchful, paying close attention to something; "haggard" means looking exhausted, having the appearance of someone who is overworked; "wistful" means feeling a certain longing for the past; "erratic" means unreliable, inconsistent, 'all over the place'.

To begin with a "summit" (in this context) is a meeting of leader's of various nations. So, in a meeting about climate change it would make sense for the world's most famous and well-regarded environmentalists to be invited. The correct answer is therefore "eminent," which means famous within a particular field of study. Additionally, "maligned" means widely criticized; "obese" means very fat, unhealthily overweight; "sullen" means grumpy and sulky, in a bad mood; "blithe" means inappropriately unconcerned by something, not showing a polite amount of concern for something.

A ceremony is a formal occasion and rude and obnoxious guests would likely spoil, ruin a formal occasion. So, the correct answer is "marred," which means spoiled, ruined. Additionally, "robust" means strong, healthy, sturdy; "apocryphal" means (of a story) probably not true; "articulate" means well spoken, eloquent; "reclusive" means solitary, trying to avoid the company of other people. 

If the subject of this sentence went back to get more of the food it makes sense that she found it pleasant tasting, delicious, tasty, or "palatable." Additionally, "acrimonious" means (of a conflict) bitter, long-lasting and spiteful; "awry" means amiss, 'out of place'; "laden" means weighed down with, burdened by; "ductile" means able to be bent and shaped, malleable.

Based on the context of this sentence you know you are looking for an adjective that describes a positive personality trait. The correct answer is therefore "congenial," which means pleasant, friendly, agreeable, affable. Additionally, "illiterate" means not able to read or write; "conniving" means manipulative, sneaky, cunning; "condescending" means acting like you know better than someone else, talking down to someone else; "ambivalent" means uncertain, having mixed feelings about something.