rigid Synonyms - page 3

wrongheaded impregnable hardened hard grinner formal flinty firm ferrous ferric exacting exact hard-shell harsh impliable implacable immutable immune immovable immobile immalleable illiberal hidebound headstrong establishmentarian erectile durable compressed changeless ceremonious censorial cast iron buckram bigoted arthritic arrect adamantine conservative consistent drastic draconian dogmatic dogged doctrinaire determined despotic demanding defensive crabstick adamant