Synonyms to expugnable

penetrable, accessible, apprehensible, approachable, articulate, assailable, attackable, attainable, available, beatable, cognizable, come-at-able, comprehensible, conquerable, easily understood, easy to understand, exoteric, fathomable, findable, getatable, gettable, intelligible, knowable, obtainable, open, open to, openable, permeable, pervious, plumbable, porose, porous, pregnable, prehensible, procurable, reachable, readable, scrutable, securable, surmountable, to be had, understandable, vincible, vulnerable, weak, within reach, aidless, defenseless, fatherless, friendless, guideless, helpless, leaderless, motherless, unfriended, unprotected, untenable, achievable, actable, compassable, doable, feasible, negotiable, operable, overcomable, performable, practicable, practical, realizable, superable, viable, workable, aidle