The word "stringent" means strict or severe. The best choice is "rigorous," as it also means severe. Considering the other choices, "striped" means having stripes, "fake" means not real, and "belittle" is a verb that means portray as less important or impressive.

"Deferential" is an adjective that means "showing deference; respectful," so we need to pick out an adjective that means something like "respectful." So, "insulting" cannot be the correct answer, because "insulting" is an adjective that means "disrespectful or scornfully abusive," making the word an antonym, not a synonym, of "deferential." "Reverential," however, means "of the nature of, due to, or characterized by reverence," where "reverence" is a noun meaning "deep respect for someone or something." Because "reverential" is the answer choice closest in meaning to "deferential," "reverential" is the correct answer.

Someone who is “impetuous” is rude and reckless. To provide further help, “reckless” means not careful; “spiteful” means cruel and desiring revenge; “domineering” means accustomed to taking charge; “juvenile” means immature.

"Industrious" means hard-working or diligent, so "hard-working" is the correct answer. None of the other answer choices are close in meaning to "industrious": "feeble" means weak or fragile; "mischievous" describes a person that is often in trouble; "minor" means relatively unimportant; and "dedicated" means focused or willing to put a lot of time and energy into some activity.

"Resolute" is an adjective that means "admirably purposeful, determined, and unwavering," so we need to pick out an answer choice that means something like "unwavering." "Waffling," then, cannot be the correct answer because "waffling" means "failing to make up one's mind," so "waffling" is an antonym of "resolute," not a synonym. "Unfaltering," however, is an adjective that means "not faltering; steady; resolute." Because "unfaltering" is the answer choice that is closest in meaning to "resolute," "unfaltering" is the correct answer.

"Tenacious" means determined, or unwilling to give up. Therefore, the word with the closest meaning to "tenacious" is "determined."

"Steadfast" is an adjective that means firm and unwavering. "Faithful" is the best choice because it means firm in one's loyalty. Considering the other choices, "bent" means physically pressed out of shape,"quick" means done in little time, and "frivolous" means having little importance.

"Bashful" is an adjective that means shy. The best choice is "coy" because it has a similar definition—flirtatiously shy. Considering the other choices, "obliterated" means destroyed, "jealous" means feeling resentment out of desire for another person's success or belongings, "beautiful" means very aesthetically pleasant, and "secret" means known only to one person or few people.

“Taciturn” means quiet, reserved, and not saying much, so "reserved" is the correct answer; “outgoing” means loud and sociable; “extravagant” means fancy and expensive; "limber" means able to bend and stretch one's body; and “eloquent” means well-spoken.

“Boisterous” means loud, full of life, and energetic, so "lively" is the correct answer. “Enlightened” means wise, knowledgeable, or informed about something; “docile” means quiet, peaceful, and non-threatening; “stubborn” means inflexible and not likely to change one’s mind; and “lax” means slack, negligent, and too casual.