suicide bomber UK /ˈsuːɪˌsaɪd ˈbɒmə/US /ˈsuːɪˌsaɪd ˈbɑmər/ noun1 •One who carries explosives on his or her body or in a vehicle and intends to detonate them (dying in the process) to kill people and inflict widespread damage, usually motivated by a political or religious cause. formssuicide bombers