bunker buster

noun

Definition of bunker buster

: a bomb designed to penetrate the earth's surface and explode underground

Recent Examples of bunker buster from the Web

Vital installations are dug hundreds of feet into the sides of mountains, out of the reach of the biggest bunker busters.

— david hambling, Popular Mechanics, "9 Ways the U.S. Could Bomb North Korea's Deepest Bunkers," 12 Sep. 2017
Much smaller and lighter than existing bunker busters at 2,000 pounds, the new missile can be carried internally by an F-35 and is rocket-boosted to high velocity, possibly even supersonic speed.

— david hambling, Popular Mechanics, "9 Ways the U.S. Could Bomb North Korea's Deepest Bunkers," 12 Sep. 2017
When North Korea fired an intermediate-range missile over Japan on August 29, Seoul responded with a bomber drill with bunker busters.

— s. nathan park, The Atlantic, "South Korea is the Best Friend Trump Could Hope For," 6 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'bunker buster.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.