impregnable impregnability • impregnableness · · · Info · Synonyms · Characters · · impregnable · · Text Latin · · Script 11 · · Length Synonyms · · · inviolable · · Synonym 1 secure · · Synonym 2 strong · · Synonym 3 unassailable · · Synonym 4 unattackable · · Synonym 5 conceptive · · Synonym 6 inexpugnable · · Synonym 7 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C m latin small letter m U+006D n latin small letter n U+006E p latin small letter p U+0070 r latin small letter r U+0072