Meaning of UNASSAILABLE

Pronunciation:			`unu'seylubul
WordNet Dictionary
	Definition:		[adj]  without flaws or loopholes; "an ironclad contract"; "a watertight alibi" [adj]  impossible to assail [adj]  able to withstand attack; "an impregnable fortress"; "fortifications that made the frontier inviolable"
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	Synonyms:		impregnable, incontestable, incontestible, inviolable, invulnerable, ironclad, secure, strong, unattackable, unshakable, untouchable, watertight