Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. An indication of something important or calamitous about to occur; an omen.
- n. Prophetic or threatening significance: signs full of portent.
- n. Something amazing or marvelous; a prodigy.
Century Dictionary and Cyclopedia
- n. That which portends or foretokens; a sign or token; an omen, generally of ill, or of something to be feared.
- n. Synonyms Sign, Presage, etc. See omen, and foretell, v. t.
Wiktionary
- n. Something that portends an event about to occur, especially an unfortunate or evil event; an omen.
- n. A portending; significance; as, a howl of dire portent.
- n. Something regarded as portentous; a marvel; prodigy.
GNU Webster's 1913
- n. That which portends, or foretoken; esp., that which portends evil; a sign of coming calamity; an omen; a sign.
WordNet 3.0
- n. a sign of something about to happen
Etymologies
- Latin portentum, from neuter past participle of portendere, to portend; see portend.
Examples
“Is the new design a good portent from the new management team? blog comments powered by Disqus”
“The portent is described with great force and subtlety.”
“And who shall say," Abraham asked, looking from face to face, "that it's not a portent from the heavens that we shall find the Way of the Spices?”
“Always the portent was a shadow behind their interest and amiability and jealousy.”
“Saurid, being convinced by his priests, astrologers and soothsayers that the portent was a true one, became from that time possessed of one idea, which was that the vast learning of Egypt, its sciences, discoveries and strange traditions should not be lost, -- and that the exploits and achievements of those who were great and famous in the land should be so recorded as never to be forgotten.”
“STRANGER: There did really happen, and will again happen, like many other events of which ancient tradition has preserved the record, the portent which is traditionally said to have occurred in the quarrel of Atreus and Thyestes.”
“She was struck by how accurately the Sister had hit upon the peculiar, uneasy feeling she was havinga kind of portent to doom, yet without definable cause, that made the fine hairs at the back of her neck stand on end like when she would be lying in her bedroll, almost asleep, and every insect, all at once, went silent.”
The Pillars of Creation
“This incident at Walker's Point when a freak storm destroyed his mildly ancestral home in Kennebunkport was almost a kind of portent of what was to come.”
Hell of a Ride: Backstage at the White House Follies 1989-1993
“If we glance over the latter part of the book of prodigies, compiled by the otherwise unknown writer Julius Obsequens from the records of the pontifices quoted in Livy's history, we can get a fair idea of the kind of portent that was troubling the popular mind.”
“He told himself that it was a silly piece of superstition; but, all the same, a strange feeling troubled him; and it seemed as if the fall of these old mementoes of the gallant officer, his dead father, was a kind of portent of trouble to come -- trouble and disaster that would be brought about by his cousin.”
The Queen's Scarlet The Adventures and Misadventures of Sir Richard Frayne
Lists
These user-created lists contain the word ‘portent’.
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Archaic
abide, abjure, abroad, adamant, afield, aforetime, aghast, anon, apace, argent, assuage, aught and 327 more...
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Words build meanings from origins( etymology )
These come from gamma meditation ,I think.
discursive, exogenous, machinations, purportedly, sumptuous, congruity, cantankerous, incongruous, festoon, hessian, ratiocinative, stratigraphic and 837 more...
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Muse's tacet ,to learn
Music brings silence's to raging thoughts and temperament , calm, as it is our object of definite purpose.
tacet, cadence, tempo, treble clef, penultimate, lexicon, origin, orchestra, kantele, magus, eros, coalesce and 31 more...
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Philosophic , etymology
every major discipline has uniquely developed esoteric nomenclature to facilitate interdisciplinary dissemination
quale , qualia, elegy, tacet, lexicon, annunciate, caste, eros, contrive, purlicue, irony, venacular, dilapidate and 66 more...

bilby
Portents and prodigies have grown so frequent,
That they have lost their name. Our fruitful Nile
Flowed ere the wonted season, with a torrent
So unexpected, and so wondrous fierce,
That the wild deluge overtook the haste
Even of the hinds that watched it:
- John Dryden, 'All for Love'. Sep 20, 2009