Definition of unassailable in US English:

unassailable

adjective

  • Unable to be attacked, questioned, or defeated.

    ‘an unassailable lead’
    • ‘Julie Walters is on unassailable form as an irascible retired actress in a bitter-sweet, very British comedy drama.’
    • ‘As regards the ratio of the Shah Bano case, it was indeed unassailable.’
    • ‘Sim converted his own try, as well as Osborne's second, to secure what proved an unassailable lead for the home side.’
    • ‘Will we be forced to rely on carefully worded arguments filled with unassailable reasoning?’
    • ‘We are on unassailable moral ground when we insist on the Kashmiri right of self-determination.’
    • ‘This year, however, we need to take a fresh look at previously unassailable tactics and tools.’
    • ‘By the second half, the York side dominated possession and extended a lead into an unassailable margin.’
    • ‘Most laddish rock bands cultivate an unassailable attitude before they've even pressed their first promo.’
    • ‘The game was won in the first half which saw The Island build up what proved to be an unassailable eight points lead.’
    • ‘India has an unassailable position at the head of the world's poverty league.’
    • ‘Racial diversity has been put forward by many liberals and conservatives as an unassailable goal.’
    • ‘This electoral demography provides an unassailable base for a dependency culture that dominates the political process.’
    • ‘The house analogy, or some other similar paradigm, is simply unassailable fact in microcosm.’
    • ‘His landslide election victories, and his personal popularity in Middle England, made him look unassailable.’
    • ‘Dyson fired seven birdies for a six-under-par 65 that swept him into what proved an unassailable lead.’
    • ‘Perched on a rock precipice, the site is unassailable from three sides, with a vertiginous 1000 feet drop at one end.’
    • ‘With a week of this year's Tour remaining, Armstrong is now in pole position and appears unassailable.’
    • ‘Critical judgements that look so right, so unassailable today, may well be discarded.’
    • ‘You have stepped on the toes of the Holy People, the unassailable people, the people you can't criticize or God help you!’
    • ‘We are in a cheap restaurant in a middle-of-nowhere town in Nevada that just happens to have one, unassailable attraction.’
    impregnable, invulnerable, impenetrable, inviolable, invincible, unconquerable, unattackable
    indisputable, undeniable, unquestionable, incontestable, incontrovertible, irrefutable, indubitable, watertight, sound, conclusive, absolute, positive, proven, beyond dispute, beyond question, beyond doubt, beyond a shadow of a doubt, certain, sure, manifest, patent, obvious
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Pronunciation

unassailable

/ˌənəˈsāləb(ə)l//ˌənəˈseɪləb(ə)l/