onslaught
on·slaught
noun \ˈän-ˌslȯt, ˈȯn-\Definition of ONSLAUGHT
: an especially fierce attack; also : something resembling such an attack <an onslaught of technological changes>
Examples of ONSLAUGHT
- an onslaught by the enemy
- <the massive onslaught of enemy troops caught the country by surprise>
Origin of ONSLAUGHT
modification of Dutch aanslag act of striking; akin to Old English an on and to Old English slēan to strike — more at slay
First Known Use: circa 1625
Related to ONSLAUGHT
Related Words: ambuscade, ambush; counteraggression, counterassault, counterattack, counteroffensive, counterstrike; sally, sortie; envelopment, flanking; breakthrough, foray, incursion, invasion; pillage, ravage, sack; air raid, bombardment, bombing; siege, storm; barrage, cannonade, fusillade, hail, salvo, volley; whammy
Near Antonyms: defense, defensive, guard, shield; opposition, resistance; protection, security, shelter
Rhymes with ONSLAUGHT
Learn More About ONSLAUGHT
Browse
Seen & Heard 
What made you want to look up onslaught? Please tell us where you read or heard it (including the quote, if possible).






See 

