| A | B |
| catalyst | something that causes an important event to happen |
| refrain | not do something |
| lethargic | deficient in alertness or activity |
| augury | an event that is experienced as indicating important things to come |
| blandish | praise somewhat dishonestly |
| tempestuous | (of the elements) as if showing violent anger |
| dirge | a song or hymn of mourning composed or performed as a memorial to a dead person |
| goad | a verbalization that encourages you to attempt something |
| subtle | able to make fine distinctions |
| dilapidation | the process of becoming in deplorable condition |
| proceed | follow a certain course |
| acrid | harsh or corrosive in tone |
| presentiment | a feeling of evil to come |
| understate | represent as less significant or important |
| foolhardy | marked by unthinking boldness; with defiant disregard for danger or consequences |
| specter | a mental representation of some haunting experience |
| corrode | become destroyed by water, air, or an etching chemical such as an acid |
| productive | yielding positive results |
| shortcoming | a failing or deficiency |
| rejuvenate | return to life; get or give new life or energy |
| vain | unproductive of success |
| serenade | sing and play for somebody |
| deter | turn away from by persuasion |
| languid | lacking spirit or liveliness |
| infirmity | the state of being weak in health or body (especially from old age) |
| catalyst | a substance that initiates or accelerates a chemical reaction without itself being affected |
| refrain | the part of a song where a soloist is joined by a group of singers |
| goad | give heart or courage to |
| subtle | be difficult to detect or grasp by the mind |
| dilapidation | a state of deterioration due to old age or long use |
| proceed | move ahead; travel onward in time or |
| acrid | strong and sharp |
| specter | a ghostly appearing figure |
| corrode | cause to deteriorate due to the action of water, air, or an acid |
| productive | marked by great fruitfulness |
| rejuvenate | cause (a stream or river) to erode, as by an uplift of the land |
| vain | characteristic of false pride; having an exaggerated sense of self-importance |
| serenade | a song characteristically played outside the house of a woman |
| deter | try to prevent; show opposition to |
| refrain | choose no to consume |
| goad | provoke as by constant criticism |
| subtle | faint and difficult to analyze |
| proceed | continue a certain state, condition, or activity |
| productive | having the ability to produce or originate |
| rejuvenate | make younger or more youthful |
| goad | a pointed instrument used to prod into motion |
| subtle | working or spreading in a hidden and usually injurious way |
| proceed | continue with one's activities |
| productive | producing or capable of producing (especially abundantly |
| rejuvenate | develop youthful topographical features |
| serenade | a musical composition in several movements; has no fixed form |