infante m. child.
infeliz adj. unhappy, wretched.
infernal adj. infernal.
infiel adj. faithless (one).
infierno m. hell, infernal region.
infinito, -a infinite, endless.
inflamarse blaze.
informe adj. ill-shapen, uncanny, inarticulate.
infortunio m. misfortune, misery, calamity.
infundir infuse, instill, inspire.