Definition of unchallengeable in English:

unchallengeable

adjective

  • Not able to be disputed, opposed, or defeated:

    ‘the unchallengeable truth of these basic facts’
    • ‘Surely the unchallengeable fact is that Wiltshire County Council, after a considerable period of negotiation, consultation, and debate, decided on the Eastern route as their preferred option.’
    • ‘In the ad, a Navy crewmate says, ‘He had unfailing instinct and unchallengeable leadership.’’
    • ‘Within the party his position is unchallengeable.’
    • ‘Scripture used in this way, with supposed supernatural authority, is unchallengeable.’
    • ‘He felt God-like, a deity with the power and life and death and unchallengeable invulnerability.’
    • ‘The dissolution of the Soviet Union leaves the US as the planet's unchallenged and unchallengeable superpower - not just in the military and ideological sense, but in economics, technology and popular culture.’
    • ‘I didn't know what to make of the unchallengeable fact that some of the police officers said their views had been sharpened by on-the-street experience of dealing with ethnic minorities.’
    • ‘The U.S. was so pre-eminent in military power as to be unchallengeable in any serious way, but it was also widely admired and emulated.’
    • ‘Now they expect to hold an unchallengeable contest to revoke the president's mandate and those of the 29 representatives in the National Assembly that remain committed to him.’
    • ‘It was hospitable to the idea of the leader whose godlike vision is authoritative and unchallengeable.’
    • ‘What is more, the story has situated him in an afterlife which guarantees his terms: he knows about time and language because he is in the unchallengeable position of having transcended them both.’
    • ‘The President's rule is effectively unchallengeable, though, even without his party's huge parliamentary majority.’
    • ‘Government officials have also challenged high court rights to have any review power over the issue of detention or preventative orders, declaring that the regime's authority is absolute and unchallengeable.’
    • ‘This privileged status in the industrial relations system was unchallengeable for many years, allowing the Histadrut to define and dictate the scope of conditions of employment in the economy.’
    • ‘Parliaments in the English tradition are fiercely protective of their constitutional supremacy and they are unchallengeable masters of their own proceedings.’
    • ‘U.S. policymakers have succumbed to hubris in the false belief that American dominance is an unchallengeable fact of international life.’
    • ‘However, that it is now a constitutional document of some sort is an unchallengeable assertion within the New Zealand context.’
    • ‘These powers include unrestricted and essentially unchallengeable authority to arrest and kill people in ‘carrying out their duties.’’
    • ‘The USA is already unchallengeable in terms of military power.’
    • ‘The demise of the USSR, they declared, created for the United States the opportunity to establish an unchallengeable global hegemony.’
    opinionated, peremptory, assertive, imperative, insistent, emphatic, adamant, doctrinaire, authoritarian, authoritative, domineering, imperious, high-handed, pontifical, arrogant, overbearing, dictatorial, uncompromising, unyielding, unbending, inflexible, rigid, entrenched, unquestionable, unchallengeable
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Pronunciation

unchallengeable

/ʌnˈtʃalɪn(d)ʒəb(ə)l/