GMAT Vocabulary Flash Cards @ englishpdf.com and englishteststore.com File 317 immaterial (adj) Of no essential consequence immature (adj) Not full-grown immeasurable (adj) Indefinitely extensive immense (adj) Very great in degree, extent, size, or quantity immerse (v) To plunge or dip entirely under water or other fluid immersion (n) The act of plunging or dipping entirely under water or another fluid immigrant (n) A foreigner who enters a country to settle there immigrate (v) To come into a country or region from a former habitat