Select the most appropriate ANTONYM of the given word.

FLEXIBLE

rigid

The most appropriate antonym of the word flexible is rigid.

• Flexible means "able to bend or be bent easily without breaking."
• Rigid means "not flexible; stiff or unyielding."

The other words do not have the opposite meaning of flexible.

• Elastic means "able to return to its original shape after being stretched or compressed."
• Ductile means "able to be drawn out into a long, thin wire."
• Pliable means "easily bent or shaped."