Buckled meaning : To distort or collapse under physical pressure; especially, of a slender structure in compression. To make bend; to cause to become distorted. To give in; to react suddenly or adversely to stress or pressure (of a person). To yield; to give way; to cease opposing. To enter upon some labour or contest; to join in close fight; to contend. To buckle down; to apply oneself. To fasten using a buckle. To unite in marriage.