Definition of unexplained in US English:



  • 1Not described or made clear; unknown.

    ‘the reason for her summons was as yet unexplained’
    • ‘I heard some of the news reports saying that, for some unexplained reason, the plane landed at Dulles first and then went to Richmond.’
    • ‘For some unexplained reason she went forward and crashed into the front windows.’
    • ‘What exactly he means by methodological individualism here is unclear and is left unexplained.’
    • ‘As he searches for something to explain his misunderstanding that the US ruling class is now, for some unexplained reason, acting against its own interests he comes up with this.’
    • ‘For reasons still unexplained by administration, the mayor or council, this year's budget earmarked only $5,000 for recycling.’
    • ‘However, for reasons unexplained by the film, he channels these qualities into avoiding adult responsibilities such as work and domineering his younger brother, Robby.’
    • ‘The addition of two sailors remains unexplained, that it is not at all clear how exactly they became a part of this expedition.’
    • ‘Glen uses this unexplained and unjustified - he just didn't have the space - idea to tell a story about a candy that is no longer available on the Canadian market.’
    • ‘He lives in the grounds of Hogwarts, having been expelled for some unexplained reason (probably because he's not that bright), and is very fond of dragons.’
    • ‘On national television the woman who herself raised the specter of McCarthyism with her unexplained remarks insinuated I was engaging in the same tactic.’
    • ‘Gilligan himself typed up notes of what was said on his personal organiser, but quite when he did this, why there are two versions of it, and what happened to his written account, remain unexplained.’
    • ‘Some things became clear, some became more unexplained.’
    • ‘The family was critical of the DPP's unexplained decision to send Mr Williams straight to trial, depriving him of the chance to test the evidence against him at a preliminary hearing.’
    • ‘But in this novel, more so than his other recent stories, there were some clearly unsettling parts of the story which remained unexplained.’
    • ‘But if that's the case, they can't reasonably expect the president to walk around with a rectangular bulge on his back and to keep it an unexplained secret forever.’
    unspecified, non-specific, unspecific, indeterminate, undetermined, unfixed, unsettled
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    1. 1.1 Not accounted for or attributable to an identified cause.
      ‘SIDS is still an unexplained phenomenon’
      • ‘This, says the Scottish Cot Death Trust, translates as 34 unexplained deaths in 2001, compared with 131 in 1990.’
      • ‘These unexplained phenomena have aroused the curiosity of the scientific community.’
      • ‘Since we already have an embarrassing number of unexplained phenomena, no one seems to have had time for this one yet.’
      • ‘A 74-year-old man presented to our hospital with unexplained deep vein thrombosis of the lower extremity.’
      • ‘And then there's the mystery of the unexplained bruise on the back of my right hand.’
      • ‘The ad was never put on TV because the unexplained ghostly phenomenon frightened the production team out of their wits.’
      • ‘Again, David Lynch's fascination with electricity and unexplained phenomena comes to mind.’
      • ‘Hours later, reports of unexplained phenomena swept through the state of Ohio.’
      • ‘We have shown that medically unexplained symptoms account for a substantial proportion of the secondary care usage by frequent attenders.’
      • ‘Many, according to the professor, were taken to the doctor because of an unusual or unexplained event reported by a carer such as turning blue, but on observation were found to be well.’
      • ‘Female relatives in Ireland had suffered unexplained deaths and life-threatening events among their children.’
      • ‘Miracles are nothing but unexplained phenomena.’
      • ‘NHS staff were baffled by the unexplained rise, which has been replicated at similar teaching hospitals across London.’
      • ‘Whatever the reason, this is an unexplained phenomenon.’
      • ‘Their conclusion was that this phenomenon was unprecedented and unexplained.’
      • ‘An unexplained radio signal from deep space just might be contact from an alien civilisation.’
      • ‘Prof Fleming told the hearing that in 20 years of investigating sudden infant death, he had seen three other families where there had been three unexplained deaths of babies.’
      • ‘That which is left unexplained by science is attributed to divine work.’
      • ‘Have you ever experienced unexplained phenomena?’
      • ‘Detection of high blood pressure in the lungs may also account for the unexplained or mistakenly explained sudden deaths in adult patients with sickle cell disease.’
      obscure, unclear, dense, uncertain, indeterminate, mysterious, puzzling, perplexing, baffling, mystifying, confusing, enigmatic, inexplicable, concealed, hidden, unfathomable, incomprehensible, impenetrable, vague, ambiguous, delphic, indefinite, indistinct, hazy, foggy, nebulous, equivocal, doubtful, dubious, oblique, elliptical, oracular, cryptic, deep, abstruse, recondite, arcane, esoteric, recherché
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