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Enhance your vocabulary with key verbs, nouns, and adjectives from Unit 18 of the SAT. This guide covers seven essential words: "efface," meaning to erase all signs of something; "effervescence," denoting a bubbly or lively quality; "efficacy," referring to the ability to produce desired results; "elated," signifying extreme happiness; "endorse," which means to promote or recommend; "endemic," describing something native to a particular region; and "enervate," meaning to weaken. Strengthen your language skills for improved comprehension and expression.
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#1 Efface • Verb • Erase • All signs of poverty and suffering were effaced before the queen’s visit.
#2 Effervescence • Noun • The quality of being bubbly or full of life • She’d had little acting experience, but her effervescence got her the part.
#3 Efficacy • Noun • The ability to produce desired results • The new medication had a higher degree of efficacy.
#4 Elated • Adjective • Extremely happy; overjoyed • Uncle Frank was elated about winning the lottery.
#5 Endorse • Verb • Promote; recommend • Celebrity endorsements can be effective.
#6 Endemic • Adjective • Native to a particular country or among a particular group • That particular plant is endemic to the northern tip of the island.
#7 Enervate • Verb • Sap the strength; weaken • The hot sun enervated the runners, slowing their pace.