GMAT Vocabulary Flash Cards @ englishpdf.com and englishteststore.com File 228 enlighten (v) To cause to see clearly enlist (v) To enter voluntarily the military service by formal enrollment enmity (n) Hatred ennoble (v) To dignify ennui (n) boredom; apathy enormity (n) Immensity enormous (adj) Gigantic enrage (v) To infuriate