| A | B |
| acclimate | verb: To accustom or become accustomed to a new situation or environment; adapt Sentence: Inara was apprehensive sleeping in her new apartment for the first time so her sisters stayed with her late into the night until she _acclimated_ to her new surroundings. |
| alleviate | verb: To make easier to endure; to lessen pain; mitigate Sentence: After eating too many dumplings, Alice drank ginger ale to _alleviate_ her upset stomach. |
| deleterious | adj: Harmful; injurious; harmful to living things Sentence: Although smoking is generally known to be _deleterious_ to one's health, recent studies show it may lower the risk for Parkinson's disease. |
| enervate | verb: To destroy or lessen the strength of; weaken Sentence: The heat of a summer afternoon will _enervate_ most people. |
| fatigue | noun: Mental or physical weariness resulting from labor or exertion; exhaustion; weakness as a consequence of repetetive stress Sentence: Many chronic diseases cause extreme _fatigue_ because they engage so much of the body's resources. |
| infectious | adj: Easily spread Sentence: It is difficult to resist the _infectious_ laughter of an infant. |
| innocuous | adj: Having no adverse effect; harmless Sentence: Although some North American reptiles are hostile or venomous, most are quite _innocuous_. |
| malaise | noun: A vague feeling or condition of general bodily weakness or discomfort; a general sense of uneasiness Sentence: Pay little attention to Elan; he suffers the same _malaise_ every February after football season ends. |
| malignant | adj: Threatening to well-being; disposed to do evil; very dangerous Sentence: Though annoying if they get indoors, houseflies are not _malignant_ creatures. |
| morbid | adj: Suggesting an unhealthy mental state; characterized by unwholesome thoughts Sentence: Jan sobbed when she received the box of dead flowers on Valentine's Day, a _morbid_ gesture from the ex who scorned her. |
| pandemic | noun: An epidemic that is widespread throughout a region or the world The bubonic plague was a 14th century _pandemic_ that killed twenty-million Europeans in six years. |
| parasite | noun: An organism that lives in or on another and from which it obtains nourishment; one who takes advantage of others without making any useful return Sentence: Although most _parasites_ cause their hosts some harm, creatures like ticks and mosquitoes can actually kill through the transmission of disease. |
| remedy | noun: Something that cures or relieves a disease, disorder, or problem Sentence: Collective wisdom suggests that time is the only _remedy_ for a broken heart. |
| resilience | noun: The capability to recover readily from illness or misfortune; elasticity Sentence: Watermelons are not known for their _resilience_, which should be obvious if you drop one from your roof. |
| revitalize | verb: To give new life to; restore Sentence: The long weekend snowboarding in the mountains _revitalized_ Brenda and she went back to work Monday feeling refreshed. |
| robust | adj: Full of strength or health; marked by richness and fullness Sentence: Surviving past her 100th birthday, the Queen Mother enjoyed _robust_ health for much of her life. |
| soporific | adj: Causing or tending to cause sleep; characterized by sleep Sentence: The doctor prescribed sleeping pills for Isaiah, but he preferred the _soporific_ properties of chamomile tea. |
| sustain | verb: To support; to keep in existence; to supply necessities of life Gavin's mother warned her that it was going to be difficult to _sustain_ good grades if she continued to stay out late during the school week. |
| symptomatic | adj: Relating to a symptom; indicative (of) Sentence: Examining his blotchy skin, Makani thought it was _symptomatic_ of measles when it was, in fact, just a touch of poison ivy. |
| thrive | verb: To prosper; to make steady progress; to grow vigorously Sentence: Some plants can't grow in sandy soil, while species like cacti _thrive_ in it. |