unyielding

Definitions

Not giving way to pressure; hard or inflexible.

Unlikely to be swayed or persuaded; persistent and resolute.

Examples

Despite the intense pressure from his opponents, the politician remained unyielding in his commitment to the new policy.

The unyielding rock face proved to be a formidable challenge for even the most experienced mountain climbers.

Synonyms

inflexible stubborn adamant resolute steadfast rigid obdurate

Antonyms

flexible pliant yielding compliant adaptable submissive malleable