infidelity

n. 不忠实，不贞

infectiously, infectiousness, infelicitous, infelicity, infer, inferable, inference, inferential, inferentially, inferior, inferiority, inferiority complex, infernal, infernally, inferno, infertile, infertility, infest, infestation, infidel, infield, infielder, infighting, infill, infiltrate, infiltration, infiltrator, infinite, infinitely, infinitesimal, infinitesimally, infinitive, infinitude, infinity, infirm, infirmary, infirmity, inflame, inflamed, inflammability,