unyielding Synonyms - page 4

narrow mulish militant mighty merciless lingering irremovable iron-fisted obstinate opinionated opinionative precipitance powerful possessive pig-headed perverse persevering perseverant outlustre ossified ironbound iron invulnerable inexpiable inexorable inelastic indurated indurate inductile indomitable indocile indefeasible inexpugnable inextensible inflexible invincible invasive invariable intransigent intractile intractable intense insistent infrangible indefatigable