*infaillible, adj., infallible.
*infailliblement, adv., infallibly; without fail; unerringly.
infaisable, adj., impracticable; infeasible; not to be done; impossible.
infalsifiable, adj., unfalsifiable.
infamant, -e, adj., infamous, ignominious, degrading. Peine —e; degrading punishment.
infâme, adj., infamous, base; squalid, sordid, filthy, nasty. D’une manière —; infamously.
infâme, n.m.f., infamous person; wretch, villain.
infamie, n.f., infamy, ignominy; baseness, infamous action.
infant, n.m., -e, n.f., Infante; Infanta (Spanish title).
infanterie (in-fan-trî), n.f., infantry, foot.