to cause to fall from a horse, as in battle; dislodge from the saddle: Sir Gawain unhorsed the strange knight.
to defeat; overcome; dislodge, as from a position or office: His vigorous campaign unhorsed his adversary.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use unhorse in a sentence
Have you not a minute ago seen Mazurec unhorse a knight all alone, with his stick and only a handful of sand?The Iron Trevet or Jocelyn the Champion | Eugne Sue
The object of the young Irishman was to unhorse, or rather un-camel, his antagonist, and get him to the ground.The Boy Slaves | Mayne Reid
Scarcely did I catch her words, for a man sprang in, seizing my bridle-rein and leg and struggling to unhorse me.The Jacket (The Star-Rover) | Jack London
They deal such blows upon their shields that, beside the wounded, they unhorse more than five hundred of them.Four Arthurian Romances | Chretien DeTroyes
Thus the point of the fir-tree caught him upon the shoulder and came near to unhorse him.The Blue Flower, and Others | Henry van Dyke
British Dictionary definitions for unhorse
(usually passive) to knock or throw from a horse
to overthrow or dislodge, as from a powerful position
rare to unharness horses from (a carriage, etc)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012