Is “Buckled” a Scrabble word?

1.To distort or collapse under physical pressure; especially, of a slender structure in compression.

2.To make bend; to cause to become distorted.

3.To give in; to react suddenly or adversely to stress or pressure (of a person).

“It is amazing that he has never buckled after so many years of doing such urgent work.”

1.To fasten using a buckle.

2.To unite in marriage.