bang-bang in English dictionary bang-bang Meanings and definitions of "bang-bang" adjective (control theory) Applied to kind of feedback control, or controller, that switches abruptly between two states. adjective (baseball) Of a play, very close between being an out and being safe. more Grammar and declension of bang-bang bang-bang (not comparable) more Sample sentences with "bang-bang" Declension Stem Try again Available translations French Hungarian Japanese Authors