invaincu, -e, adj., unvanquished, unconquered.
invalidation, n.f., invalidation.
invalide, adj., invalid; infirm; (milit., nav.) disabled; (jur.) void, not valid, without force, without effect.
invalide, n.m. and f., invalid; (milit.) pensioner. — externe; out-pensioner. Hôtel des Invalides; the Chelsea Hospital of France (i.e., for disabled soldiers or sailors).
invalidement (-lid-mān), adv., invalidly, without force, without effect.
invalider, v.a., to invalidate, to make void; to vitiate, to annul.
invalidité, n.f., invalidity, nullity.
invariabilité, n.f., invariableness, invariability, unchangeableness, constancy.
invariable, adj., invariable, unchangeable, unalterable. Mot —; indeclinable word.
invariablement, adv., invariably, unchangeably, unalterably.