unassailable
/AmE ˌənəˈseɪləb(ə)l 
, BrE ʌnəˈseɪləb(ə)l /
adjective
() ‹fortress› inexpugnable; ‹arguments› irrefutable, irrebatible; ‹reputation› incuestionable; ‹right› inalienable
his position is unassailable su posición es invulnerable
unassailable
English → Spanish
Oxford English–Spanish