Etymology From late Middle English terrour, from Old French terreur f (“terror, fear, dread”), from Latin terror (“fright, fear, terror”), from terrēre (“to frighten, terrify”), from Old Latin tr̥reō, from Proto-Italic *trozeō, from Proto-Indo-European *tre- (“to shake”), *tres- (“to tremble”).
1
Intense dread, fright, or fear.
The terrors with which I was seized […] were extreme.1794, William Godwin, Things as they are; or, The adventures of Caleb:
"How thinkest thou that I rule this people? I have but a regiment of guards to do my bidding, therefore it is not by force. It is by terror. My empire is of the imagination."1886 October – 1887 January, H[enry] Rider Haggard, She: A History of Adventure, London: Longmans, Green, and Co., published 1887, →OCLC:
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Fear of their cargo bred a savage cruelty into the crew. One captain, to strike terror into the rest, killed a slave and dividing heart, liver and entrails into 300 pieces made each of the slaves eat one, threatening those who refused with the same torture. Such incidents were not rare.1963, C.L.R. James, The Black Jacobins, 2nd Revised edition, page 9:
2
The action or quality of causing dread; terribleness, especially such qualities in narrative fiction.
3
Something or someone that causes such fear.
The Begums' ministers, on the contrary, to extort from them the disclosure of the place which concealed the treasures, were, […] after being fettered and imprisoned, led out on to a scaffold, and this array of terrours proving unavailing, the meek tempered Middleton, as a dernier resort, menaced them with a confinement in the fortress of Chunargar. Thus, my lords, was a British garrison made the climax of cruelties!1788 June, Richard Brinsley Sheridan, “Mr. Sheridan’s Speech, on Summing Up the Evidence on the Second, or Begum Charge against Warren Hastings, Esq., Delivered before the High Court of Parliament, June 1788”, in Select Speeches, Forensick and Parliamentary, with Prefatory Remarks by N[athaniel] Chapman, M.D., volume I, [Philadelphia, Pa.]: Published by Hopkins and Earle, no. 170, Market Street, published 1808, →OCLC, page 474:
The terrors of the storm1841, Ralph Waldo Emerson, (Please provide the book title or journal name):
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A chap named Eleazir Kendrick and I had chummed in together the summer afore and built a fish-weir and shanty at Setuckit Point, down Orham way. For a spell we done pretty well. Then there came a reg'lar terror of a sou'wester same as you don't get one summer in a thousand, and blowed the shanty flat and ripped about half of the weir poles out of the sand.1913, Joseph C[rosby] Lincoln, chapter I, in Mr. Pratt’s Patients, New York, N.Y.; London: D[aniel] Appleton and Company, →OCLC:
4
Terrorism.
a terror attack
the War on Terror
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Rank-and-file progressives don’t usually think of the immigration policies they support—expanding refugee quotas, easing restrictions on some classes of immigrants, and ending family separation—as an endorsement of detention, deportation, and racialized terror.2019 July 15, Greg Afinogenov, “The Jewish Case for Open Borders”, in Jewish Currents, number Summer 2019:
Etymology From late Middle English terrour, from Old French terreur f (“terror, fear, dread”), from Latin terror (“fright, fear, terror”), from terrēre (“to frighten, terrify”), from Old Latin tr̥reō, from Proto-Italic *trozeō, from Proto-Indo-European *tre- (“to shake”), *tres- (“to tremble”).
1
Philippines, Slang A strict teacher who fails most of the students.