1. not giving way to pressure or force; firm and inflexible
2. refusing to change one’s mind or give up; stubborn and determined

Examples

• The unyielding concrete wall blocked their path completely.
• Despite hours of negotiation, she remained unyielding in her demands.
• The metal bar was unyielding under pressure.
• His unyielding determination helped him succeed despite many obstacles.
• The unyielding ground made it impossible to drive in the tent stakes.
• She faced criticism with an unyielding spirit.
• The unyielding rock formation had withstood centuries of erosion.