su·​per·​weap·​on ˌsü-pər-ˈwe-pən How to pronounce superweapon (audio)
plural superweapons
: an extremely powerful weapon
President Truman had, as vice president, been kept totally in the dark about the Manhattan Project, so it was a great surprise to him to learn of the atomic superweapon soon to be at his disposal.Kelli Peduzzi
This is a trebuchet, a fearsome, poorly understood superweapon of the Middle Ages …Evan Hadingham

Examples of superweapon in a Sentence

Recent Examples on the Web While Mimas most definitely isn’t a planet-destroying superweapon, nobody could say with any certainty whether an abundance of liquid water was hiding beneath its icy shell. Robin George Andrews, Scientific American, 7 Feb. 2024 The Leopard 2s performed well but were hardly invulnerable superweapons. Stephen Biddle, Foreign Affairs, 29 Jan. 2024 Paras had just dumped the recipe for a superweapon into a mosh pit. Andy Greenberg, WIRED, 14 Nov. 2023 While the Allies sent back home a trove of German superweapons during Project Paperclip, including jets and missiles, there’s no record of any version of Die Glocke ever being captured. Kyle Mizokami, Popular Mechanics, 10 Aug. 2023 The film is about nuclear war, nuclear testing, the devastation of superweapons, the hubris of scientists, and the assurance that this would happen again if nothing changed. Kelsey Atherton, Vulture, 26 July 2023 Its basic technologies were derived from Nazi superweapons, in particular von Braun’s V-2 rocket. David Axe, Forbes, 19 Apr. 2023 And is the Kinzhal truly the unstoppable Mach 10 superweapon that Kremlin supporters claim? David Hambling, Popular Mechanics, 5 May 2023 Welcome, as well, Adam Warlock (Will Poulter), the living superweapon as doltish man-child, whose presence here seems more add-to-the-toyline mandated than strictly crucial to the plot, though his own artificial origins mirror those of rogue experiment Rocket. A.a. Dowd, Chron, 28 Apr. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'superweapon.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1914, in the meaning defined above

Time Traveler
The first known use of superweapon was in 1914

Dictionary Entries Near superweapon

Cite this Entry

“Superweapon.” Dictionary, Merriam-Webster, Accessed 28 May. 2024.

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