portentous

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English[edit]

Etymology[edit]

Borrowed from Latin portentōsus, from portentus; equivalent to portent +‎ -ous.

Adjective[edit]

portentous (comparative more portentous, superlative most portentous)

  1. Of momentous or ominous significance.
    • 1931, H. P. Lovecraft, The Whisperer in Darkness, chapter 2:
      It is no longer in my possession, but my memory holds almost every word of its portentous message; and again I affirm my confidence in the sanity of the man who wrote it.
  2. Ominously prophetic.
  3. Puffed up with vanity.

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