English Vocabulary Flash Cards @ englishpdf.com and englishteststore.com File 281 impassable (adj) That can not be passed through or over impassible (adj) Not moved or affected by feeling impassive (adj) Unmoved by or not exhibiting feeling impatience (n) Unwillingness to brook delays or wait the natural course of things impeccable (adj) Blameless impecunious (adj) Having no money impede (v) To be an obstacle or to place obstacles in the way of impel (v) To drive or urge forward