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 (ĭn′ĭk-spŭg′nə-bəl, -spyo͞o′nə-)
1. Impossible to overcome or overthrow by force.
2. Impossible to put aside or drive away: inexpugnable dislike.

[Middle English, from Old French, from Latin inexpugnābilis : in-, not; see in-1 + expugnābilis, capable of being overcome (from expugnāre : ex-, completely; see ex- + pugnāre, to fight; see impugn).]

in′ex·pug·na·bil′i·ty n.
in′ex·pug′na·bly adv.


a rare word for impregnable1
ˌinexˌpugnaˈbility, ˌinexˈpugnableness n
ˌinexˈpugnably adv


(ˌɪn ɪkˈspʌg nə bəl)

ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.inexpugnable - incapable of being overcome, challenged or refuted; "an impregnable argument"; "impregnable self-confidence"
unconquerable - not capable of being conquered or vanquished or overcome; "a tribute to his courage...and his unconquerable will"- R.E.Danielson; "faced unconquerable difficulties"
References in classic literature ?
Inexpugnable, in his wild and mountainous Scotland, an absolute general, king of an army of eleven thousand old soldiers, whom he had more than once led on to victory; as well informed, nay, even better, of the affairs of London, than Lambert, who held garrison in the city, -- such was the position of Monk, when, at a hundred leagues from London, he declared himself for the parliament.
The sound of his words excited his thoughts, and in the play of darting thoughts he had glimpses now and then of the inexpugnable rock of his convictions, towering in solitary grandeur above the unprofitable waste of errors and passions.
Perhaps her face was rigidly set--but that marmoreal impassiveness, that magnificent stolidity, as of a wonderful statue by some great sculptor working under the curse of the gods; that imposing, unthinking stillness of her features, had till then mirrored for him the tranquil dignity of a soul of which he had thought himself--as a matter of course--the inexpugnable possessor.
I felt the inexpugnable strength of common sense being insidiously menaced by this gruesome, by this insane, delusion.
Tout naturellement, Paris, transformee en forteresse voulue inexpugnable et en lieu de recueillement incontournable, entend concretiser dans les faits le combat mondial pour sauver la terre du desastre annonce.
Soutenant que l'adhesion entiere et sincere des Marocains a l'Islam a ete, au fond, le terreau ayant favorise l'eclosion d'exegeses, de savoirs et de connaissances tous azimuts, il a fait observer que la mosquee Al Qaraouiyine, fondee et portee par les erudits de la Oumma, est restee, depuis, une forteresse inexpugnable toujours a cheval sur les constantes rythmant l'identite inamovible de l'etre marocain et qui s'articule, selon lui, autour de six parametres.
beaucoup moins que]La Politique exterieure d'Espagne: 1800-2003)[beaucoup plus grand que] (Ariel, 2003): [beaucoup moins que]lanotion de grandeur peripherique, ensuite la notion de la peninsule comme lieu distingue, faconne par des siecles de reconquete contre el moro et posterieurement, consolide comme forteresse inexpugnable pour les envahisseurs modernes, en troisieme lieu, latendance a polariser dans le Sud le concept de frontiere comme zone geostrategique de la plus grande importance pour la proximite des musulmans, vus comme ennemis seculaires, et un souvenir memorable d'un flanc oE avait commence la premiere perte de l'Espagne[beaucoup plus grand que].