GMAT Vocabulary Flash Cards @ englishpdf.com and englishteststore.com File 492 perdition (n) ruination peremptory (adj) Precluding question or appeal perennial (adj) Continuing though the year or through many years perfectible (adj) Capable of being made perfect perfidious (adj) faithless; treacherous perfidy (n) Treachery perforate (v) To make a hole or holes through perform (v) To accomplish