GMAT Vocabulary Flash Cards @ englishpdf.com and englishteststore.com File 314 illegal (adj) Not according to law illegible (adj) Undecipherable illegitimate (adj) Unlawfully begotten illiberal (adj) Stingy illicit (adj) Unlawful illimitable (adj) Boundless illiterate (adj) Having little or no book-learning ill-natured (adj) Surly