"Useless" is an opposite of "useful," so the two words are antonyms of one another. So, to solve the analogy, you need to pick out an answer choice that is an antonym, or opposite, of "common." "Common" can mean occurring often, so the best antonym is “infrequent," which means not often occurring To help you, "mediocre" means average when better quality is expected.

"Captured" is an antonym, or opposite, of "free," so to solve this analogy, you need to figure out which of the answer choices is the best available antonym of "essential." Essential means absolutely necessary, so the correct answer is “useless.”

"Invisible" means not able to be seen and "visible" means able to be seen, so "invisible" is an antonym, or opposite, of "visible." So, to solve this analogy, you have to find the best available antonym of "costly." "Costly" means costing a lot of money, expensive, or damaging, so "free," which can be used to mean costing no money, is the correct answer.

Since "few" describes an amount less than "many," we are looking for an answer choice in which the first word is significantly less than the second word. The best answer is "scarce is to ample" because "scarce" means existing in small numbers or amounts, and "ample" means existing in large numbers or amounts.

"Lost" is an antonym, or opposite, of "found." So, to solve the analogy, you need to pick out an answer choice that is an opposite of "settled." "Settled" means established and confident, and "unsettled" means nervous or disrupted, so "unsettled" is an antonym, or opposite, of "settled," and "unsettled" is the correct answer. To further help you, "invaded" means attacked, "foreign" means from another country, "native" means born in a specified country, and "occupied" means busy.

"Meek" means shy and timid, and it is an opposite of "powerful." When two words are the opposite of one another, we call them antonyms. To solve this analogy, you have to figure out the best antonym of "skilled." Someone who is "skilled" is good at something. So, the best antonym of "skilled" is "untrained." To help you, "deft" is a synonym of skilled, and "timid" means shy.

"Obey" means listen to an order or a set of directions, so it is an opposite, or antonym, of "disobey," which means do something different after being ordered or directed to do something specific. So, to solve this analogy, you have to find the best antonym of "allow." "Allow" means let something happen or permit; so, the best antonym of "allow" is "forbid," which means prohibit or ban. So, "forbid" is the correct answer. To help you, "grant" means give, "consume" means eat, and "desire" means want.

"Small" and "large" are antonyms, so we are looking for an answer choice in which the two words have opposite meanings. The best answer choice is "short is to long," since "short" and "long" are antonyms.

Peace and war are traditionally seen as opposites, just as ice and fire are, so "ice is to fire" is the correct answer.

High and low have opposite meanings, just as wide and narrow do.