Adjective unyielding has 3 senses
- bulldog, dogged, dour, pertinacious, tenacious, unyielding - stubbornly unyielding; "dogged persistence"; "dour determination"; "the most vocal and pertinacious of all the critics"; "a mind not gifted to discover truth but tenacious to hold it"- T.S.Eliot; "men tenacious of opinion"
Antonym: docile (indirect, via stubborn)
- unyielding - refusing to give way or compromise; "unyielding determination"
Antonyms: compromising, conciliatory, flexible (indirect, via uncompromising)
- flinty, granitic, unyielding - having austere inflexibility; "a flinty manner"; "granitic morality"; "his unyielding mouth and glassy eyes"- Marchette Chute
Antonym: flexible (indirect, via inflexible)
,