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Synonyms

Big Bertha

American  

noun

Informal.
  1. a large, long-range German cannon used during World War I.


Big Bertha British  

noun

  1. any of three large German guns of World War I used to bombard Paris

"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

Etymology

Origin of Big Bertha

C20: approximate translation of German dicke Bertha : fat Bertha; named after Bertha Krupp, at whose works in Essen a very effective 42 cm mortar was made

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It became synonymous with German military power, producing the Big Bertha gun during World War I, and later building tanks and U-boat components for the Nazis.

From The Wall Street Journal • Dec. 20, 2025

They’re constructed from recycled stainless steel in sizes with catchy names: Big Bertha at 40 ounces, Grace at 27 ounces and the Firecracker at 18 ounces.

From Seattle Times • Nov. 9, 2021

He points out Big Bertha, one of the largest of all snowdrops with broad, gray-green leaves, apple-green inner petals and a green blotch at the tip of the outer petals.

From Washington Post • Feb. 4, 2019

The Callaway GBB Epic has been the company’s most successful new driver since the original Great Big Bertha titanium drivers of two decades ago.

From Golf Digest • Nov. 27, 2017

‘I’ll need you and Piper to run interference. I’ll reprogram the snake, then Big Bertha.’

From "Blood of Olympus" by Rick Riordan