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unexplained

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adjective un·ex·plained \ˌən-ik-ˈsplānd\

Definition of unexplained

  1. :  not explained or accounted for an unexplained error an unexplained delay

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Words of the Year: 1066
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Vocabulary Thrives in Darkness
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Drawing a Conclusion About "Sketchy"

First Known Use of unexplained

1721

Learn More about unexplained

  1. See words that rhyme with unexplained Britannica English: Translation of unexplained for Arabic speakers

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opine

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to state as an opinion

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  1. acrostic "The initial letters form a word"

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And by the Sun, with some help from Greek.

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Words of the Year: 1066

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Irregardless

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One goose, two geese. One moose, two... moose. What's up with that?

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