[am-boo sh]

noun Also am·bush·ment.

an act or instance of lying concealed so as to attack by surprise: The highwaymen waited in ambush near the road.
an act or instance of attacking unexpectedly from a concealed position.
the concealed position itself: They fired from ambush.
those who attack suddenly and unexpectedly from a concealed position.

verb (used with object)

to attack from ambush.

Origin of ambush

1250–1300; (v.) Middle English enbuss(h)en < Middle French embuschier to place men in ambush, literally, to set in the woods, equivalent to em- im-1 + busch- (< Vulgar Latin *busca wood, forest < Germanic *busk- heavy stick) + -ier infinitive suffix; (noun) earlier enbusshe < Middle French embusche, derivative of the v.
Related formsam·bush·er, nounam·bush·like, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for ambushment

Historical Examples of ambushment

  • A difficult matter it was, too, to keep this Mohican boy snug in the ambushment.

    The Last of the Mohicans

    James Fenimore Cooper

  • Their overnight bivouac was not above a mile beyond the glade of ambushment.

  • While he spoke these things, Jeroboam caused an ambushment to come about behind him.

  • So from that on we went as men whose lives are held in pawn by a hidden foe, looking at every turn for an ambushment.

  • On the 8th August they came to an ambushment all prepared, but it had been abandoned for some unknown reason.

British Dictionary definitions for ambushment



the act of waiting in a concealed position in order to launch a surprise attack
a surprise attack from such a position
the concealed position from which such an attack is launched
the person or persons waiting to launch such an attack


to lie in wait (for)
(tr) to attack suddenly from a concealed position
Derived Formsambusher, noun

Word Origin for ambush

C14: from Old French embuschier to position in ambush, from em- im- + -buschier, from busche piece of firewood, probably of Germanic origin; see bush 1
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

Word Origin and History for ambushment



c.1300, from Old French embuscher (13c., Modern French embûcher) "to lay an ambush," from en- "in" + busch "wood," apparently from Frankish *busk "bush, woods" (see bush (n.)). Related: Ambushed; ambushing.



late 15c., embushe, from the English verb or from Middle French embusche, from Old French embuscher (see ambush (v.)). Earlier was ambushment (late 14c.). Figurative use by 1590s.

Online Etymology Dictionary, © 2010 Douglas Harper