Definition of unprecedented in English:

unprecedented

adjective

  • Never done or known before:

    ‘the government took the unprecedented step of releasing confidential correspondence’
    • ‘But George W. Bush " unsigned " the treaty on May 6, 2002, in a historically unprecedented move.’
    • ‘It was underpinned by a level of social consensus unprecedented since before the Reformation.’
    • ‘One social characteristic was the unique and unprecedented rise in real earnings and incomes.’
    • ‘The celebrations marking the 60th anniversary of the event have been unprecedented in scope.’
    • ‘For a company of this size, it was a virtually unprecedented single day drop.’
    • ‘We put together an unprecedented ground operation, but it was matched by the zealots on the right.’
    • ‘Despite its budget and nearly unprecedented number of release prints, Ginger Snaps feels like a very collaborative effort.’
    • ‘The almost unprecedented move would have brought a smile to your million-dollar mug right about now.’
    • ‘The mixed economy boomed, bringing unprecedented prosperity to the middle and working classes.’
    • ‘We're in a time of almost unprecedented prosperity and peace.’
    • ‘Interestingly, Dean protected, to a nearly unprecedented degree, his and his family's privacy from media inquiry.’
    • ‘"Debt is at historically unprecedented levels, " according to the Office for National Statistics.’
    • ‘Since it was unique and unprecedented the coin was dismissed as a modern hoax.’
    • ‘Yet he is happy to admit that the man who inherited his job has guided the Giants to unprecedented levels of success.’
    • ‘The catastrophe that made all of that a distant memory was equally unprecedented in the history of mankind.’
    • ‘"This gives you virtually unprecedented control over movies, " Aho said.’
    • ‘Secondly they provided a conduit through which investment on a hitherto unprecedented scale could be mobilized.’
    • ‘Now two victims have taken the unprecedented step of suing the Vatican itself.’
    • ‘In a very rare, but not unprecedented move, the US Patent Office has nullified a contentious technology patent.’
    unparalleled, unequalled, unmatched, unrivalled, without parallel, without equal
    extraordinary, uncommon, out of the ordinary, unusual, outstanding, striking, exceptional, prodigious, abnormal, singular, remarkable, unique, anomalous, atypical, untypical, freakish
    unheard of, unknown, novel, original, new, groundbreaking, revolutionary, pioneering
    one of a kind
    unexampled
    View synonyms

Pronunciation

unprecedented

/ʌnˈprɛsɪdɛntɪd/