bunker buster bunker • bunker coal · · · Info · Definitions · Characters · · bunker buster · · Text Common · · Latin · · Scripts 13 · · Length 4 · · Syllables Definitions · · · (noun) a 5,000 pound laser-guided bomb that can be programmed to penetrate to a given depth before exploding; used to penetrate hardened underground facilities. Synonyms: Bunker Buster, Guided Bomb Unit-28, GBU-28. · · Noun Definition 1 Characters · · space U+0020 b latin small letter b U+0062 e latin small letter e U+0065 k latin small letter k U+006B n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075