infeliz unhappy, wretched
inferir irreg. infer
infernal infernal, hellish
infierno m. hell
infinito, -a infinite; as adv. immeasurably
influir irreg. influence, exercise influence
infructuoso, -a fruitless, vain
infundir imbue with, inspire
ingenio m. talent, cleverness, brilliancy
iniquidad f. iniquity, wickedness