verb (used with object), verb (used without object), def·la·grat·ed, def·la·grat·ing. to burn, especially suddenly and violently.
Origin: 1720–30; <
Latin dēflagrātus (past participle of
dēflagrāre to burn down), equivalent to
dē- de- +
flagr(
āre) to burn +
-ātus -ate1 Related forms def·la·gra·ble, adjective
def·la·gra·bil·i·ty, noun
def·la·gra·tion, noun